I'm from Nexus background. But I liked the look and spec of Mi3 which is very comparable (with better camera sensor n battery capacity) than the Nexus 5. So, cyanogenmod or any other rom that looked like stock Android is very important to me.

Miui is special too, but I've already had some experience playing with it sometime last year on a Sony phone.

So I guess paranoid Android, slimkat n the likes are not available for mi3?

I have to do a regular clean up for my nexus 4. Like every month, I'll cut n paste all photos n videos taken by the camera from my phone to my network storage. It's pretty limiting, but you know what? If you notice, moto g, nexus device, HTC one, mi3 and some other phone models started to embrace the no memory expansion trend. Why? It just made the device a whole lot faster n more responsive.

Manufacturers tried to reduce the likelihood of consumer using a cheap micro sd on a good device which in the end compromises the speed n responsiveness of the device itself. So now my nexus 4 n nexus 10 is free from any mp3 music coz now I'm relying on music streaming. For movies, I used my tablet, superb screen n sound.

Galaxy tab 7 p1000 > HTC sensation > Samsung galaxy s2 > Samsung galaxy nexus > LG nexus 4 (n Samsung nexus 10) > (maybe mi3?)
It seems that I've already get used to live without micro sd since adopting galaxy nexus. Now micro sd expansion is not my primary concern anymore. If got, it's a bonus. If not, doesn't matter to me.

True story.. Plus, you can already see the gap at the bottom of that metal casing. A good entrance for dust or sand to collect.