Have you guys checked out this forum:
http://www.diyaudio.com/forums/forum...php?forumid=20
From what I can tell, the LL guide looks a little outdated, but access to the protected parts of the forum makes up for it!
For example, I think Brainchild is recommending the smaller two-ended bulbs now, over the large mogul base bulbs. Maybe it's easier to source a decent mirror for these lamps?
Curse the internet for taking over my spare time...
Edit: ignore, smaller bulbs are for the 7" LCD's.