Yea do NOT get those blue bulbs on Ebay, they are garbage..

You can get real HIDS on ebay for about 70-80 shipped..

This guys a good seller and they are pretty good quality. I've been running them for almost a year and have had no problems at all.
eBay Seller: hidking: Parts Accessories, HID CONVERSION KIT H1 H3 H4 H7 9005 9006 9007 XENON items on eBay Motors