Hi, i just bought a GTX 560 Ti 2048 MB GDDR5 PCI Express 2.0 2DVI/Mini-HDMI SLI and im planning on buying a new PSU to go with it, since my old PSU wont do it anymore, and i was wondering if a Corsair Enthusiast Series 650-Watt would be enough, or is it better to go for a TX series?