http://www.ebay.com/itm/NEW-300W-for-HP-Pavilion-Slimline-S5000-Power-Supply-/320633305628 shows a new PSU goes for 32 bucks.
http://www.geeks.com/products_sc.asp?cat=939 shows working units for about 125 bucks.
This one is dead so about 1/2 that or 75 bucks if you can find a buyer.
Bob

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