Who is having the crown now? :?:
They had to cut the crown in half and share it with each other.
Image quality still seems to be in favor of ATI, as well as games that are very shader heavy (F.E.A.R), but nvidia seems to have taken the lead back in some of the older Quake4/Doom3 type of games.
So to answer your question in short, Chuck Norris.
-Ryu