Irishmark is right, and I should have said: eBay is only for those who know what they're doing ('caveat emptor'). Yes, there's some cheap tat out there, with low grade mobos prevalent. (He's wrong, tho', when he says they're 'all' poor quality - I think he's just exaggerating for effect... ) It's also home to technology that's now been superseded e.g. 8x DVD-RW instead of 16x DVD-RW. But if the components are listed, which they often are, you can check them out. I've bought several PCs off eBay and been delighted with them all.

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Premiere Pro, Encore, Photoshop, Ulead VS6, WXP Pro, Core 2 Duo, 2GB, 2 x 250GB SATA3 drives, 2 x 250GB USB 2 external drive, DVD writer, GeForce 7300 GS 256MB

The biggest fool can ask questions that the wisest man cannot answer...