A cheaper deal on the XFX 650 : http://www.ebuyer.com/413807-xfx-xxx-edition-650w-power-supply-unit-p1-650x-xxb9
XFX are good. They are rebrand of Seasonic who knows what should go into a power supply. XFX 650W is better than the CSM power supply. The CSM series uses cheap average caps.
80+ bronze is good enough. 80+gold is nice but not necessary.
Another option is the XFX XTR 550, It is gold, has good japanese caps, fully modular and excellent warranty.
I had a the Corsair CS650M. The fan started making noise after about 3 days. Returned it and traded up to the HX650. $30 more but better parts and a better warranty. Don't know anything about XFX.
After looking at those, I'd probably go ahead with the Corsair. Both are solid units, so really not a bad choice. However, the Corsair is cheaper, and has Gold vs. Bronze efficiency rating.
A cheaper deal on the XFX 650 : http://www.ebuyer.com/413807-xfx-xxx-edition-650w-power-supply-unit-p1-650x-xxb9
XFX are good. They are rebrand of Seasonic who knows what should go into a power supply. XFX 650W is better than the CSM power supply. The CSM series uses cheap average caps.
80+ bronze is good enough. 80+gold is nice but not necessary.
Another option is the XFX XTR 550, It is gold, has good japanese caps, fully modular and excellent warranty.