This is the seller I bought mine from. And yes, I paid that much for headlight bulbs lol!
http://cgi.ebay.com/ebaymotors/US-DI...Q5fAccessories
He was the only US seller I could find. There are other sellers selling for cheaper, but they're in Germany and Ukraine.
And if not there, there's suvlights.com I didn't order from there before, however.