Take the first one - P67A-C43 for it's better OC, power consumption, and future-proofing.
You know you'll need new DDR3 RAM too, right?
P67A-C43 Bundle good to go.
Oh yes, DDR3 understood.
Time to sell off the Ballistic.
I'll start searching for DDR3 this afternoon.
Any recommendations Noworldorder?