Find reviews from around the web in our forums! The following is from High Tech Reviews' article on the CoolerMaster Real Power Pro 1000 watt Power Supply:

As more and more people are configuring their systems to
operate in either nVidias SLI or AMDs Crossfire configuration
the demand for a power supply that can not only provide enough power
for both video cards, but for all of the accessories that go it. As
an example the cooling system we are using is comprised of a six TECs
(thermoelectric coolers) which are notorious for drawing a great deal
of current. The Real Power Pro 1000 handles everyone of the
stresstest programs we tosses at it and all the while the voltage
stayed within +-5%.