Re: EVGA 680i .....D.O.A.
My guess would be the PSU as well. I smoked an OCZ PS520 and they are pretty good. I don't know if I'd trust their multi-rail 700w PSU's in a Sli box with an overclocked CPU though.
Abit IN9 32x MAX- Kentsfield QX6700 @3520
1.5 vcore watercooled D-Tek Fuzion/PA-160/MCR120/2x MCP655
2x2GB G-Skill 1066 5-5-5-15 2T@1.9vdimm
2x EVGA 580GTX 1.5GB Sli
2x 74GB Sata Raptor Raid0
2x 320GB Hitachi Sata II
X-FI Elite Pro
Lian Li V2100B