As STEVEL posted, i too can highly recommend HID's for those in doubt (bought mine also from Paul Whiffin)
My post & pics:
http://www.mkivsupra.net/vbb/showth...ighlight=lights
Good factual link:
http://www.intellexual.net/hid.html
There seems to be thoughts that higher up the temp scale the more tiring it becomes on the eyes (+ they also become duller).
To be totally legal (i beleive) in the UK HID's must be self-levelling & self-cleaning, but i've never had a problem with anyone nor an MOT. If there was, i'd just swap them around again and change them back when tested.
Hope this helps some.
You will be amazed at the difference.
Regards
Stephen
PS. Only problem i've found is trying to stuff 2 ballasts each side of the car, not that they are big, its just thats theres not much room.