From ComputerWorld:

Don't trash your tired old desktop PC -- pump it up with a few inexpensive upgrades

We may be a country obsessed with fixing our homes and tricking out our cars, but we usually throw away our PCs when they start to give us trouble. These days, however, the recession and the tight credit situation are combining to make it more attractive to fix up an old computer, because a three- or four-year-old PC can be rejuvenated fairly easily.

On top of keeping about 25 pounds of aluminum, silicon and heavy metals out of the garbage dump, a revamped PC will likely be more powerful than a new budget model. As with any renovation project, though, you need to be careful -- if you buy the latest and greatest parts, you could end up paying more than you would have paid for a new PC.

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