When buying a new computer you basically have two options: you can either buy pre-built or you can build one yourself. In general the latter will almost always result in better value, performance, and upgradeability. If you need something that works out of the box, or are simply looking for something to recommend to your less DIY-inclined friends, then this is for you.
A quick patch update to Windows can extend the useful life of a PC. To take the fear out of Upgrading Windows 98 to Windows XP, rely on this guide. - PCSTATS Tips