I had similar kits on my Vibe, and have a kit currently on my Saturn Vue. I ordered them from VVME and the prices weren't bad... it's just the shipping from China that kills me. And yeah... the 6000k was the best... I love them.
The thread that jwright linked to was interesting, but if HID kits are illegal, then why is HID a factory option for so many cars? (Dealer option for SMART, but they want $580 for a kit that I can get for less than a hundred including shipping. I check the parts... it's essentially the same kit in a different box.)