What size screen would sifu's here recommend for a 8.5' x 16' room?
Thinking of renovating my kids' drum  cum store room into a dedicated HT room.
I was thinking of a 90" diagonal screen.
Would this be too big? Would 80" be better?
Thanks in advance.

How high up from the floor must the lower edge of the screen be?

My tallest speaker is the SVS cyclinder which stands at ~38" (incl Subdude)
The Epos 303 is about 36" tall incl the stand/plinth.

If using a 90" screen,  the width is  6.5', leaving about 1' on each side. Just nice I think as the Epos are narrow speakers.

Depends~ mine 720p only - overall cost around 3-4k. Full HD projector cost more~
Yeah, from the same seat~ the front-mounting frame is detachable btw, so can use the bucket seat as movie seat also.

Yeah, frame included. Bought from A-Sashi Tech shop at Desa Setapak.

kiding i have four of those probox 4-way things (non raid version) and they work well..

just be sure to get the usb3 version... the older usb2 version suffers from some power stability issues

@ alamak - thanks for sharing all the above info. 42U racks are pretty common here in HK, that's why I asked.

I'm running 8 HDDs using 1 x QNAP TS-409 (4-bays) and recently added 1 x QNAP TS-412 (4-bays). Both running RAID5. Seems like a more expensive option compared to your Norco solution. Curious to hear more too, since u mentioned that u can have 1 HDD to RAID5 the entire array. I'm not IT literate, btw, so I hope u can keep the explanation as simple as possible.

Wow! nice setup, bro Kiding I can see you have many DIY acoustic panels, is it really effective?

Hi Kiding, very nice HT room you got there.

Just curious, did you use the projector keystone correction? HD20 is quite different from others that its lens need to be lowered as horizontal to the top edge of the screen to avoid keystone activation. Based on your pic there are obviously some keystones to compensate which will compressed the image.

It's very interesting to see your 4" bass traps can absorb as low as 150Hz. Normally this thickness can only be effective down to 500Hz. But one thing for sure to absorb anything below 100Hz, you need very very thick foams, at least in meters!

I am facing the same problem as yours in my previous configuration. I get a keystone of at least -6 which is very bad. We should try to avoid it since it tends to make the picture lose resolutions and unnatural. This is the last thing we want since our projector is 1080p. Another solution is to raise your screen higher so that the top is closer to the projector lens. You will notice an improvement albeit compromising the comfort zone. The most keystone you can apply is -1 or -2. Some folks even raved 'bout how bad this figures show!
I believe 500Hz & below is virtually no or minor effect at all judging from the 4" thickness. To absorb low bass frequency, thickness come into play. The thicker the better, even in meters! Therefore have to forget absorbing low response. Maybe a good way is to re-adjust the sub position, or turn down its gain. The normal bass trappers we use is only effective for mid bass only.
Cheers.

Great to hear that. That really encourage me to work on it!
But have to reduce the screen size then.
What size do you think is best for a 9 x 13 space?

HTkaki,

Currently still using the HD70 got from you once upon a time.

Kiding, 82" is exactly what i am thinking. 

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Added on June 15, 2011, 5:19 pmKiding, may i know what's the size of your HT room?

Hello guys...here's my entry level noob HT in the living room. Still don't have proper speaker stands yet.

View from the right

haha yea bro, if I put onto the shelf itself, the tweeter is only at chest level.

It's exactly ear level now. I took a long time to select and measure those boxes.

Yup...agree with u about the center...but having severe space limitation, that's why I'm tilting it up.

finally get my ht done.

Projector: Mitsubishi HC4000
AVR: Yamaha V2067
Front speaker: Mezzo 6
Centre speaker: Mezzo 5
Presence speaker: Shinco (temporary only, no fund already)
Subwoofer: SVS SB12 NSD
Media Player: Dune Smart D1
Projector screen: Unic 92" fixed screen
Power conditioner: Tacima CS929
Interconnect: diy cables from lyn member ssyycc
sorry for the poor quality photo. using my hp camera. will update more photos once get my camera back from my fren.

wish to get advice from ht gurus here.

Goodday everyone... here's my HT room setup. A special thanks to Sound Fusion for all the advice and recommendation and helping me to setup this HT room...

Room size : 17.8 feet x 10.3 feet
Viewing distance : 13 feet

Display : Panasonic AE4000E Projector
Screen : Grandview Cyber Series Fixed Frame Screen 100 inch
AV receiver : Denon AVR-3311
Speakers : Q-Acoustics Cinema 5.1 system (2010 Bookshelf Speakers, 2000C centre Speaker, 2070S Subwoofer)
Source : Oppo BDP93 Blu-Ray Player with BD Region Free Mod
Speaker Cable : Van Den Hul The Twin
Subwoofer Cable : Van Den Hul The Sub Hybrid
Interconnects : Van Den Hul The Flat 5 feets and 1 feet
Power cords : Van Den Hul Mainsstream Hybrid + WattGate IEC, AudioQuest NRG1
Power Conditioner : PS Audio Quintet Power Center
Alright here's the pics. Although it's a bit dark...

Future Upgrade :
Van Den Hul Mainsstream/Mainsserver power cable for projector and oppo player
Naim CD5i, Nait5i and ProAC
ISF & THX calibration for projector in September
Blu-Ray Disc Rack

I think you are very fortunate.
One of my aircond is an inverter model too. Al, the lights are energy saving.
I use florescent tubes and energy saver too.
But I admit I use multiple units for the hall, dining and also kitchen.
The hall has 6 tubes , dining area 8 tubes and kitchen has 3 tubes.
They are all hidden for reflected illumination, so need more