how to buy a computer?

Well , First tell us about the money you are thinking to spend on it? And what's you are excepting to use it for? (i mean are you going to use it for gaming?) Are you trying to get fastest PC? and are you going to use Windows Vista? Are you going to over clock it? That's some of questions you have to answer them Anyway Lets say you are looking for cheap computer and you are going to use it for gaming and you arent going to overclock it and you will use Windows XP on it for normal uses (Word , Excel , Access , etc ...) You can find intel celeron 3.3 Ghz for about $100 and for ram (512 Mb) you can find one for cheap price and anythings like that Tell me whats you are trying to use the pc for , and i will try to help you with it :)