Corsair VX450W 450-Watt ATX SATA-Ready Power Supply, 80 Plus for $39.99

Corsair VX450W 450-Watt SATA-Ready Power Supply for $39.99 after a $30 rebate.  Shipping depends on the location and is between $10 and $17.  Note the user reviews have been very positive.  It supports the ATX12-Volt v2.2 and is backwards compatible with ATX12-Volt 2.01 systems.  It is also certified for 80 plus efficiency.  Others usually have it for about $62.