here are some bulbs I got from superbrightleds.com.
I have six 194/168 wedge base bulbs with 6 led's on each bulb. These are natural white (@ 4100k). 6 of these would run you $22.44 + shipping at their site, I'll let them go for $15 shipped
I also have two SMD wide angle plugins (also 194/168 wedge) with 5 radially mounted led's on each. I modded these with a blue permanent marker. They now put out a very cool white light that's around 8,000k (i tested them). 2 of them would run you $11.90+shipping from their site, I'll let them go for $8 shipped
sorry for the terrible picture quality, my phone sucks.