I know it's not a Datsun/Nissan forum I am linking to, and it is not my topic/thread over there either, but I found this one here about using Honda S2000 projectors. Thought you folks might like to have a look. It looked liek it could be retro-fitted if one wanted to do so.
http://www.supraforums.com/forum/showthread.php?t=499137
Note: Please, no flaming. I'm only trying to be helpful.