The one card to rule them all ? This youngest bunch from the ATI clan .. well beasts of the brute actually, has been developed under codename R580 and was due to arrive for a while now actually. ATI decided to increase the number of Pixel Shader units inside that graphics core from 16 to 48 and with success. Oh and please, don't get confused here, it's 48 pixel shader units not to be confused with the cards sixteen "true" pipelines.
In a 23 page article Guru3D.com will show you all the info you'll ever need.
View: The Full Review @ Guru3D