"The EarthWatts Platinum is the latest power supply series from Antec, and will be available in 450 W, 550 W, and 650 W versions, coming with the 80 Plus Platinum certification. This new series will reach the North American market next month; we were able to get a sample before its official release. Let's see if the 650 W model is a good option."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips