Beng, there's only one place to go -
www.xenondepot.com It's based out in Ontario.
As for installation, there is a "squirrel flap" that may need adjustment to minimise glare if you wish to use the stock projector housing. Otherwise, you can always retrofit another car's projector bulb (like the RX or TSX for example) into the TCH.
Mods: EV mod, VVT-i emblem, sport pedals, OEM cargo mat, JDM Prius interior footwell lighting, Sylvania Silverstars 9003ST, DICE iPod kit, OEM all-weather mats, TomTom ONE v2, LED licence plate lights.