for intel, get a z68 board with an i7 2600k or an i5 2500k.
for amd, get a ph ii x4 with the 990fx.
it's not unwise to go with intel for cfx. apparently cfx works better with sandy bridge cpus. core i7 2600k vs ph ii x6 1100t be
2500k and 2600k perform almost similarly in gaming. with a 2500k you'd save money.