If it is these then there are several threads about them on here:
Porsche Boxster 986 1999-2004 LED Projector Black Base Headlight CarGym.com
The general consensus is not that good. Leaky, the leds burn out and are not serviceable, etc. I have seen a pair in person and they did look good though.
Better options are:
OEM Litronics
Fred's HID projector retrofit, soon to be available from Pelican Parts.
http://986forum.com/forums/diy-project-guides/48169-porsche-headlight-retrofit-[-cad-prototyping-finish.html
Steve