the aboslute best bulb manufacturer is PIAA
but expect to pay at lease 50 a set.
then step down is sylvania silverstars. I have these in my sephia and they are really good bulbs. crystal white light. not that dim yellow crappy stock ones.
also you can get some at www.ebay relativly cheap.
if you dont know your bulb size go here www.sylvania.com
go to the replacement catalog. it lists every cars bulbs from headlights to taillights.