Its a brilliant board. I wouldn't swop it for anything.
Ram wise on the Intel® Core™ I7 2600 the maximum speed at which the memory can run at is 1333 without overclocking, also make sure that you get a P67 and not an H67 or you won't be able to clock the ram.
Corsair CMT4GX3M2A1866C9 Dominator GT DHX 2x2GB DDR3-1866 1.65v CL9
http://www.prophecy.co.za/corsair-cm...p-p-65728.html
That'll set you back around R1300