I considered getting LED bulbs for my car, but didn't for many reasons:

http://faq.auto.light.tripod.com/signal-leds.htm

http://forums.torontoaccords.com/viewtopic.php?t=7654

But if you do plan on getting the turn signal bulbs, you can use this to get rid of the "hyperblinker":



http://www.jamstrait.com/products.html