I found this site tonight and their prices look pretty reasonable, but then some other prices look pretty hard to believe like the shattered glass prime and rodimus. They obviously sell a lot of ko's but what about the stuff that is tf packaging? Are those ko's as well?
Don't do it. Based on this thread, they are not reliable (read all 3 pages in the thread) http://www.tfw2005.com/boards/transformers-toy-discussion/340491-animetoyzone-com.html