I have found my light bulb at interlightwww.interlight.bizThey have good price on these and projector lamps, also a real good cross-reference
Best Place to Screw in a Light Bulb - 2006
Light Bulbs Unlimited
Everyone knows the old joke. How many (fill in the blank) does it take to screw in a light bulb? Here's a new answer for you: None, if you take your lamp to Light Bulbs Unlimited. Just ask the helpful employee behind the counter, and he or she will tell you exactly what it will take to lighten up your world. Regular bulbs start as cheap as 34 cents; those craving a spotlight can purchase one for $6; and hydro heads can purchase grow lights for $6.75. It's easy to be dazzled by the array of cool hanging fixtures and lamps. A standing lamp with a row of round blue fixtures like six fish eyes will set you back $1995. A whimsical fixture with a silver parachuting man affixed to a silver minispotlight costs $240. A beautiful modern chandelier that resembles a shining spider web costs only $847.50. Fluorescents and miniatures, fixtures and novelty lights, colored bulbs and neons -- this place is positively glowing. Stopping by is a bright idea. You'll leave feeling positively illuminated. Ba-da-bum.