I was looking for something else on the internet last night and stumbled across some really low cost circuit board type warm white LED bulbs. I paid 7x more for the warm white ones that I have. Mine have active voltage regulation while these seem to have only resistors for the current control.
DealExtreme: $3.00 G4 1.2W 108-Lumen 3500K 24-SMD LED Car Warm White Light Bulb (DC 12V)
DealExtreme: $3.00 G4 1.2W 110-Lumen 3500K 25-SMD LED Car Warm White Light Bulb (DC 12V)
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