The Reincarnation FAQ - very good page, useful FAQs that replies to common questions, illustrates examples of past life memory answering common questions about reincarnation and describing how it features in religion.
Reincarnation - brief intro on Hindunet, giving the Hindu position
Reincarnation - a short introductory essay on reincarnation and the origins of Western reincarnation beliefs. (does not refer to Eastern beliefs)
Reincarnation - Robert Todd Carroll's Skeptic's Dictionary for brief overview and the "no" case
Reincarnation - Wikipedia page. Typical of Wikipedia it gives a quite uneven coverage and endlessly changing, although what is written is good enough