[weaverc]

Joel,
I get mine from Miniatronics and use the yeloglo 3mm. They are a good outfit to deal with. See this page of theirs:

http://www.miniatronics.com/Merchant2/merchant.mvc?Screen=CTGY&Category_Code=6_4

I've installed them in my K-28, K-27 and Shay and they look good.