a 7770 isnt a really good choice when a 6870 performs better and only costs 20 dollars more at newegg
for the ram, id get a 2x4gb kit and not a 4x2gb kit. good one is the gskill ares
for the motherboard, id get a msi h77ma-g43 if the chip is locked or a z77-v LK if the chip is unlocked