Got hold of the rev 1.1 of the UD3P for some testing today and it's a world of difference with regards voltage stability. Thought you guys might be interested.
Rev 1.0 and 1.1 compared,
http://forums.vr-zone.com/showpost.p...9&postcount=42
Rev 1.0 - earler findings Oct '08,
http://forums.vr-zone.com/showpost.p...23&postcount=4

Might have been a bad batch of rev 1.0 mobo we had locally a few months back though.