Anyone know why CloD makes my PC reboot itself whereas RoF does not?

[Retaliator]

Just got a CORSAIR HX1000W...
40A for 2 12V channels total of 80A... should be enough even for a future 3 x GTX580 SLI (when ClOD will support it) and some room for o/c .
Will let you know my findings tonight.

Russkly, I think that the important thing is the 580 nvidia processor... Don't bother about the brand as soon as you don't o/c.
If I were you I'd go for a 1000+ W PSU to have some room for future upgrades...