I got the kit from
http://www.predatormotorsports.com installed on my '05 H2. It rocks. HID on both Hi/Lo. Connects to the existing plugs so cutting wires is not necessary. Very bright and focussed beam. Looks cool. I'm used to my BMW M5's HIDs so the stock headlights sucked big-time after buying the car.
Greemhummer.