PC Power & Cooling has a 1KW PSU on sale, and Bjorn3D has a review.  If you have an obscene amount of power hungry components, this PSU will handle them all with power to spare, and it will have no problem with the heat, either.
“Have two video cards, two optical drives, three hard drives and a plethora of other components in your PC? If so, you might wonder if your PSU is struggling. Well, there’s certainly no struggling for PC Power & Cooling’s Turbo-Cooling 1KW. Check out our review of this powerful beast!”

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