I'm always concerned about the heat from the AMD processors. One machine that I built was laden with heat.
Win7 64 bit
Intel i7 920 watercooled
Asus P6X580 Premium mobo,
GTX280 GPU watercooled
Synology NAS 207 Network Server with 2 Hitachi Terabite drives
LG NAS N2R1 with 2 ea 2 tb drives
LINKSYS PLK300 Powerline Network Kit