Celeron 600mhz upgrade for older PCs, looks like a good deal. It's basically a celeron II i think (website says 100mhz fsb, although i dont know how) on a slotket.
buy.com link
http://www.us.buy.com/retail/clearance/product.asp?sku=70004641&loc=13078
evergreen website link
http://www.evertech.com/category.cfm?Category=41
buy.com link
http://www.us.buy.com/retail/clearance/product.asp?sku=70004641&loc=13078
evergreen website link
http://www.evertech.com/category.cfm?Category=41