If you are not sure what to buy, you can go online and look for a barebones computer--which means you can get a mobo, CPU, memory and other components and put them together yourself.You can comparision shop here <a href="http://pctechbytes.pgpartner.com/Regarding">http://pctechbytes.pgpartner.com/Regarding</a> Operating Systems...I would learn a 9.x Operating System (like Windows 98 and ME).