You won't sell it around a mac forum for anywhere near $2k (even if it was in perfect shape). At that price, most will just opt for a much faster Mac Pro. It's hard to gauge how much a semi-broken machine will go for on eBay.. but probably MUCH less than what you're looking for.
At any rate, I'd sell it fast before CS3 is released, because once that happens, the PowerMacs will drop significantly - since that's the only reason they're holding their prices at all against the Mac Pros right now. Not only will people be more apt to buy a MP instead, but there will be a flux of PowerMacs on the market (those looking to upgrade to a MP), which will also bring the prices down.
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