i need a few things to build a computer for my kid. i also need a few things to upgrade some of the older machines in my house. here's what im interested in.... 478pin P4's (NO celerons) 512mb/1gig DDR1 or SDRAM stick(any speed) 479pin P4 mobile, centrino, etc. chip(no celerons) 1gig/2gig (single stick only) DDR2 DVD rom/cd-rw combo drive 40gig - 120gig sata drive PCI wifi cards(2) G or better. i need this stuff AS CHEAP AS POSSIBLE if not on trade. i have a few older parts to trade if you need older parts too. PLEASE do NOT PM me. make your offers here. thnx.