Gigampz sells a breakout for the DPS-2000bb a 2000 Watt supply. If you are looking for the best deal out there as far as wattage and efficiency goes though check out the 1200 Watt 80 Plus Platinum kit. At $113 it is hands down the cheapest and most efficient unbelievable quality for the price PSU out there.
http://www.gigampz.com/store/p21/Gigampz_80Plus_Platinum_Efficiency%2C_1200_Watt_Kit.html
Actually, I can beat the price on that 1200w setup.
1100w platinum supply, breakout board, and 4 24" 16G PCIe cables for $92.
Shipping is included in our prices and you get an extra hundred watts with our offering.