eBay. But I wouldn't trust eBay headlights. Usually they are poorly sealed (causing condensation) and the light output is horrible. Retrofit your stock headlights. You'll spend more but you'll be MUCH happier in the long run.
Damn I never knew that they would sell em poorly sealed unless I can put a sealent or jb weld it a lil ...I'm trying just to go for looks but if all fails then ill just get some new bulbs w an h.i.d kit instead n just get my stock 1s restored.