perhaps the local Kev can steal some to order??
many breakers are on the web and you can post a wanted and the email goes to all of them and they get back to you with what your want and what they have.. have a bash...
ebay is where EVERYONE looks and therefore the fastest way to pay too much.. or buy a nicked motor, ram it into the sides of a clio with zenons till its a write off, then in the morning leave a note for the owner saying you'll give him £50 for the lights, total spent £50