>Car taillights need to be rugged, and turn on >instantly which LEDs excel at. I am not sure that they need to "turn on instantly". I can see a market feature arising in the near future for electronics that will "soft turn on" the LED tail, brake and blinkers, to match the tungsten filament bulbs. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist