Gonna get a pair of 16GB Extreme pro perhaps.. price looks good!

Yup. Spoiled my plan. I initially planned on getting more but with the current situation, would probably have to delay purchasing plans till next year. Now no choice but to go though 8TB + 8TB + 4TB + 4TB of junk and delete to make more space for more junk. 
Unfortunately, I don't have the luxury of having two slotted camera bodies... Yet. Just the conventional 1 slot. 

Reason why I said what I said is I feel 16GB cards are just about right for 12MP resolution. I somewhat agree with vearn27's point. Was at the last Singapore GP and I found myself not having to change cards at all which was cool. I could continue shooting without any worry. Nearing towards the end, I swap for a new 16GB card not because the 1st one was full but just so that I do not have to worry about looking at the remaining space left on the 1st CF. I also think it's prudent to spread your eggs on different baskets.

Anyway, I actually debated getting a single 32GB CF but there is always a "what if" situation. If I should misplace or something gets corrupted, everything is gone ! Pufff ! Oh, there was also the price point prohibition. 2 x 16GB for me at that time was much cheaper than 1 x 32GB.  16GB still looks like a sweat spot.

Wah... 4x 16GB. 

I use to remember bringing 2GB CF cards and a 30GB mobile hardisk to transfer my files wherever and whenever I expect to shoot a lot. Seems like it's not required anymore nowadays.

Ya, I used to have 4x2GB CF cards and 80GB OTG gear to copy the pictures during events like MIFA and Sepang circuits events

Yes, I know and understand that theory especially the what if. It's the same for people who prefer more smaller size card, like multiple 8GB, it's cheaper too. But as I said, there's no wrong or right, just preference; Beside, it's just a suggestion, since he's "upgrading", maybe can get straight a 32GB card instead, but not necessarily must get. There's many point of view of whether getting larger or more units. Both have it's pros and cons.

Price is another factor, sometimes you can get 2 X 16GB for much lesser than 1 X 32GB, but if you can get 1 X 32GB at less cost than 2 X 16GB, for me, that's a good consideration; Maybe let's put it 1 X 16GB cost less than 2 X 8GB in case 32GB is unacceptable to view in the picture.

Sometimes if one need to attend an event somewhere far away, and didn't bring laptop (or whatever storage); say the event is 2 days, one will appreciate to have more space, whether it's more cards or more space in 1 card. Anyway, when the time comes, either way, one will appreciate to have the extra space.

Adequate is nice, but when one encounter certain situation, the lack of space can be very troublesome. E.g. the client have a lot of friends and they all likes to take pictures, so the keep request to take their picture or whatever situation you can think of as an example (I'm just giving one simple one); When your "adequate" space is out/limited, the headache comes. I always prefer to bring more/extra, it's better than enough.

i canot imagine keep plugging CF card and transfer to harddisk is pain in arse. 
lucky i m not photographer XD

What King card  , where got King Card, there is 64GB~128GB already. Just that if you plan to upgrade can "always" consider 32GB, not saying you must get it. Just suggest to you, not saying it's King or Must or Best. It's not correct to think like this, those that find 8GB sufficient will think why need 16GB, and so on, it's never ending. It's just a common suggestion for getting a bigger available size if the price is OK. For 8GB "supporters", as upgrade, they can get 16GB and keep 8GB as backup or in 2nd slot (if available), similarly, 16GB supporters can get 32GB as upgrade and put in slot 1. As I said, it's personal preference and choice. 

Your battery seems drain very fast? You review your picture a lot or something? I filled the 16GB and still have more than 50% battery juice to spare; not yet cover the deleted photos. Or is it you're using battery grip battery or something?

Whether you show or not is not a matter... I'm just giving examples "lah"... 
Plus, sometimes, it's not a matter you want to show or not; Sometimes, the client demand to see the photos, especially say a bunch of girls, after take, they want to see how they look on the spot, if not satisfied with their pose or they feel their angle not nice, etc. they will want to re-take. It really depends on situation, you can't say there's no such thing.

I got 2x 16GB. Approximately 800++ exposures on 14-bit Compressed RAW and 600++ on 14-bit Loseless RAW for one card. That should be sufficient to cover a one day event. Surpassing the mark should charge more

Technically you should be right on the LED blinking, but how much does it affect my shooting? So far other than flash cycle time which is more crucial, I don't feel any bottleneck regardless of speed while shooting yet. And hell yeah, my default mode is 14-bit Loseless RAW on max megapixels.

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Added on November 10, 2011, 10:58 am

Will be anticipating for the result of your proper test than assumption.

However, as refer to my post above, is there any bottleneck that should use 90MB/s than 30MB/s?

I know that there is no right or wrong. 8GB cards were nice back then. I still have 2 and I found that after upgrading to D300 and D700, I would fill up both 8GB cards and scurry for my older 4GB cards. It was always the case of overfill and trying to swap cards. Now when I bought 16GB cards, you can really feel the difference. The stress and fear of overfilling the card is not there anymore and you can shoot in comfort. Yes, I'll hazard a guess that 4 x 8GB would be cheaper than 2 x 16GB but the slightly higher premium for the 16GB is worth it in my opinion. A sweat spot if you may call it. 

Of course the story cycle never ends. When D800 comes out at whatever resolution, the same thing would happen again with 16GB cards. Not enough. But then, we'll leave that for another day and time when prices get lower and newer tech come out. Perhaps another round of discussion at The Official Nikon Discussion Thread V20. 

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Added on November 10, 2011, 2:55 pm

Even though I have 2x 16GB CF cards, I still bring my 2x 8GB CF and 2x$GB CF cards for those "what if" situations... Scout motto... Be prepared !
Not a photographer? A stalker, perhaps? 

Swapping cards was not too bad actually. Especially if you shoot JPG or compressed NEF on older cameras. After a while, you'll learn how to juggle.

On your bolded part, that's why I said I prefer don't rather than I won't.

I couldn't imagine what would happen to me if I'm having 2x 32GB at the moment. Having extra memory will make me tends to shoot more which I'm little bit of controlling myself at the moment due to insufficient HDD space. Just at the time I'm planning for upgrading my desktop with 2TB, the HDD price seriously insanely pain in the @$$ now even just for 500GB. God bless Thailand.

I usually review my shots when I got the time to make sure the lighting are good and images tact sharp. Otherwise I'll make changes to my setting. I do use battery grip and my battery only in the grip slot and the body is empty. In addition with using flash and sometime commander mode on body, hence why I left 30%++ after 800++ exposures.

If one shoot video, that's another story too 

I still carry my old card as well, the 4GB from compact cam. Just extra cards and it doesn't takes up much space or weight anyway 

In his previous signature, you can see what he do, hehe 

For swapping, there's another theory from people about trying not to insert/remove the card too often, again, another story.
Yes, I didn't say anything about it, I just explain to you, I'm just suggesting it to you, no worries, as I said, everyone has their own preference, so it means, I understand your reasoning; I'm just giving suggestion and some 'examples'.

I have same issue as well, my HDD full, 2 of my external HDD also full, recently I just got 1TB hdd. If size is not a matter, get the 3.5" size, which is much cheaper and you may get faster speed as well.

For your battery usage, I think that's good enough or around the same; I forgotten that my differences with yours; its because I shoot RAW+JPEG, thus the exposures count it less when filling 16GB space.

HDD price at the current is 300% increased compared with 2 weeks back. I'm not willing to pay for that

HDD price at the current is 300% increased compared with 2 weeks back. I'm not willing to pay for that

That is crazy lol
Did memory cards increase too? When I bought mine, my friend told me it might increase.

Online storage anybody?

Online storage anybody?

Reminds me of the iCloud

i canot imagine keep plugging CF card and transfer to harddisk is pain in arse. 
lucky i m not photographer XD

HDD price at the current is 300% increased compared with 2 weeks back. I'm not willing to pay for that

Not so convenient for those that doesn't has access to blazing fast Internet speed + unlimited bandwidth luxury. Storing RAW on cloud... LOL !!!

Memory card follow USD rates and not manufactured in Thailand. Therefore if someone brag that memory card price increase due to the flood at Thailand, that's a scam instead.