Take the Real Power Pro 1250W as an example. It packs in gargantuan power and, pleasingly, is rated to provide 1.25kW at 50C. It sports the usual gubbins that define a high-end PSU; it's big, has 6 12V rails that pack 28A on each line, and a plethora of connectors that include 3 8-pin (well, 6+2) connectors.
Discover more in this COMPUTEX 2007 Headline.