If you are registered, you get access to the members only section, can participate in the buy & sell second hand forum and last but not least you can reserve your preferred username before someone else takes it.
If anyone is hankering after a Contax RTS III, check out Dale Photographic, Leeds, UK. They had 3 listed yesterday. Only looked at one on their site, and it was Mint - and just below Â£200. Cheaper than an RX they had listed.