Hi.. friend is planning to get an new i7 setup.. just confused abt which proccy to go for.. some say that Xeon are really good. as they o.c really well at low vcore ..while I7 new batch code are.. okay.. nuthing g8.. about it.. so what ya guys recommend.. which one to go for.. if upgrading to new cpu .. 920 D0 or W3520.. kindly advice..