Ends today. Tiger Direct has the COOLMAX I-400 400W ATX Power Supply for $14.99 - $10 rebate [Exp 1/8] = $4.99 with free shipping. Found around $15 and up through the web. Features 80mm low noise cooling fan, single +12V output, over voltage and short circuit protection.
The COOLMAX I-500 Model is $15.99 - $10 rebate [Exp 1/8] = $5.99 with free shipping.