It's a good set up. I have the Apogee/MCR220 on my E8400 clocked at 3.8ghz and temps are never over 60c under load. This rig is on 24/7 and feeds 2-8800GS's and one SMP Client for F@H. Remember, thats both cores @ 100% 24/7 and never over 60c.
“The 580's both run at 65-70C and they overpowered an old 20k btu window type unit... I knew I had an issue when she mentioned that the 70 yr old man that helps out answering the phone, who's always cold, was in a Tee shirt and sweating