just finished transforming my old desktop PC into a HTPC that sits in my wall mounted TV cabinet..

specs below:

C2Q 9550 with AXP140 +120mm fan sitting on top
Biostar G31M7-TE
4gb DDR2
Asus HD6850 1gb DirectCU
3x HDD for storage (1TB/500GB/320GB)
LG DVD-RW
Silverstone GD05B with 3x 12cm fans
Edifier S530
Toshiba 46RV600E

did some mild overclock too on my system, and its now running @ 3.3Ghz at stock voltage.. guess this is the max limit that my mobo could go.. temps are fairly stable @ 48c idle and 60c full load. System is good for most games @ max settings but i think that wont last long.. games are the least i do with this system anyway..

it was physically challenging to actually house all the parts into the GD05B as i was accustomed to working with gigantic casing previously (CM Cosmos), but was overall satisfied with the end results..