thnx for d most practical n economical suggestions guys..bt unfortunately m a newbie n hvn tried my hands on OCing yet n dunno if i ll hv d opportunity to do so.. n tht apart i ll b usin d system extensively (d PC is gonna b ON for almst 24 hrs) n thruout it ll b subjected heavy usage since i wrk on applications like MAYA n 3DS Max..n as wid d exp. of ATI n AMD goes d PC tends to heat up to a large extent..so i guess its out of ques. again i appreciate ur efforts in givin me better options bt if ne1 cn gimme sum suggestions on d parts i ve mentioned i'd appreciate tht..