Ok...I found the processor i want...AMD Athlon XP 2500+ "Barton", 333 FSB, 512K Cache Processor. IBut im not sure if i want the retail version witht he box and heatsink and fan, or just the processors then buy a Thermalright CPU Cooler for AMD: Athlon XP Palamino, Thoroughbred, and Barton 2500+...