Newegg.com this week is offering the Thermaltake Purepower CrossFire Ready 600W Power Supply (model no. W0121RU) for $59.99, after its $35 mail-in-rebate. That makes it $35 less than its $94.99 list price and turns it into the best cost we have seen for this power supply by about $18. Standard shipping starts at $5.99 and sales tax applies for residents of California, New Jersey, New York and Tennessee.

The Thermaltake 600W power supply is a relatively high-quality machine and comes recommended by over 80% of its users. Buy.com is also offering a good sale on a power supply, the Antec TP-750W, which has gone from its original $159.99 down to $98.99 and includes FREE shipping. Head to Compusa.com for two closely priced upgrades, the Cooler Master RealPower 850W Power Supply that’s available for $159.99, and the Ultra X3 850W Power Supply that has dropped $80 and is priced at $169.99. Next we have the last and most powerful power supply of this deal, the Cooler Master UCP Series 1100W. This power supply has been reduced in price by an impressive $142.32 and is now on for $207.67 with FREE ground delivery included.

The Thermaltake Purepower 600W power supply provides support for the latest Intel and AMD CPUs, and includes Dual PCI-Express connectors for two video cards. Its 120mm fan is designed to be both long-lasting and silent (when working properly), and the device is said to have a 70% efficiency rating. It comes with a 20+4Pin connector, supports 4 SATA drives, and includes 9 peripheral and 2 Floppy connectors. It is backed by a five year manufacturer’s warranty for parts and labor. Dimensions: 5.9’ x 5.5” x 3.4”; weight 5lbs.