OCModShop has posted part 3 of their current state of nVidia SLI series
Software support and strange bugs seem to plague those who want to write their own profiles for applications that nVidia has not supported yet. It's a mixed bag of performance and issues that need to be worked out. However it shows a lot of promise, and if you don't mind spending the extra dough to stay bleeding edge with your gamming performance in 15 games, nVidia SLI is the only route to go.Read more