im buying a new mobo and im trying to see what the main difference between the h67 and p67 mobos are. I am running a 6850 card and play to xfire lator on. the cpu i will be getting is the i5 2500k
H67 has onboard Video and no overclocking capability, P67 has no onboard video but has overclocking capabilities. You will want a P67 board.
Z68 supports overclocking of the "K" CPU's and onboard GPU.
Above posts are correct. Z68 is latest chipset for 1155 sockets.