Well I'm tired of waiting and so today ordered this:
Powercolor ATI Radeon HD 5870 "Dirt 2 Edition" 1024MB GDDR5 PCI-Express Graphics Card [AX5870 1GBD5-MDHG] Graphics and Video ATI HD 5870 Series
As well as this:
OCZ ModXStream Pro 600w Silent SLI Certified Modular Power Supply...