I remember when HIDs cost that, now you can get a ballast and a bulb for $25.
Spend a few hours here http://www.candlepowerforums.com/vb/content.php
And build your own. Same drivers, same leds, maybe better better reflectors, aluminum box with mineral glass.
Yes, 35w hid is around 3500 lumens i believe, and 55w is like 3800 if I remember correcty.