I have a p4 2.53ghz 533 bus s478 cpu with a stock heatsink.
I will sell this only with the mobo that I have, which is an Abit SG-72, supports 400/533/800 mhz bus, 2 dimms up to ddr400, agp, onboard sound, onboard, video, onboard NIC. Chip has no retail box, but mobo comes with retail box, manual, io shield, and maybe the CD... though, I didn't need the CD cuz windows installs it all for me.
Asking price: $160 shipped.
I also have 2x256 pc2700 infineon in there if you want, $190 shipped with that.
If you want more stuff, I have. Right now it's a full working system in a black Rosewill 350W case, with a black dvd player, and a 65gig ide 7200rpm IBM hard drive, and a beige floppy drive.