Found this at staples clearance in Los Angeles: Antec Earthwatts 500 watt
ATX 12 V v2.2power supply for $14.50. EA-500D
I don't have the sku#.
UPC# 0761345275002
I did look for reference and found this:
Link: http://shopping.yahoo.com/30124535-antec-earthwatts-ea-500/;_yl
Sorry if repost.