M-atx or m-itx

[mr_lucklegs]

MSI 880GM-E43 AM3 AMD 880G HDMI Micro ATX AMD Motherboard or MSI E350IA-E45 AMD Zacate E350 (1.6GHz, dual core) AMD Hudson M1 Mini ITX Motherboard/CPU Combo

 

[rolli59]

For gaming the mATX. For energy efficient HTPC the mITX.

 

[mr_lucklegs]

Best answer selected by mr_lucklegs.