Thermaltake PurePower 430-Watt power supply, $27 after rebate
CompUSA.com has dropped the price on the Thermaltake PurePower 430-Watt power supply (model no. W0070RUC) from $49.99 to $39.99, and a $12 mail-in-rebate is also available bridging the price further down to $27.99. That's the lowest price we have seen on this power supply by the same price margin. Shipping rates start at $6.69 and vary by method of delivery. Sales tax applies for residents of Florida, Texas, North Carolina, and Illinois.
TigerDirect.com has the Thermaltake TR2 series 500W power supply, now $39.99 after $20 rebate. Get even more power with the Antec Earthwatts EA-650 650 Watt power supply, it was $94.99, but has been reduced by 22% to $74 with $2.95 for shipping. Test your power supply with the Thermaltake Dr. POWER A2358 ATX power supply tester, it was $19.31, but has been cut by $10.94 to $8.37 with $6.19 for shipping.