UPDATE:
Installed the card last night and it works perfectly thus far.
I did not see a huge boost in FPS at my resolution of 1680x1050. Thinking my cpu is the bottle neck, however with FSAA the new card really shines so I'm more then happy.
Temperatures seems normal at 42c idle and 70-75c while gaming.
I played mostly Sacred 2 last night with ingame option of 4x AA (forcing AA in this game don't work

), this used to kill performance on my 8800Gt, Now it's silky smooth

Im impressed of the difference