I'm a bit of an Asus fan 4 Intel mobo's too, so at first i went 4 the Asus P5P800.
But according to most people the DFI performs better.
I only choose the 630 because it was cheaper, if its in ur budget, go 4 the 650 (or better

)
btw: i vote 4 system1 too

and definitly OC it
