Check newegg.com, there's a Chieftec case that's a little more (under $80, though) that is an awesome case (identical to the Antec SX1040) with a 420 watt PSU.
Here's the info. It's $76, a little more than $60, but you get what you pay for. In this case, a lot.
- Silver Chieftec Server tower DX-01SLD Dragon Silver Entry Level Server Case w/side panel fan/ 2 x 80mm sleeve cooling fan. w/420w power supply Model#: DX-01SLD -OEM FedEx Saver Shipping $18.00