ANy idea how much you want or a specific freq? for gaming builds 1600/1866 is plenty and would suggest 8GB
for 1866 prob the Snipers F3-14900CL9D-8GBSR or the same in the 1600 set F3-12800CL9D-8GBSR - not sure what hey run pricewise, in the States at the Egg the 1866 is less than the 1600