Some great private torrent trackers are opening their doors to the masses these days. PackMe.in (aka PiN aka 'The Donkey'), a ratio free private torrent tracker that deals exclusively with torrent 'packs', is the latest site to open public registrations. This site has been invite only since their launch (about 2 and a half months ago) and potential new members had to go through an IRC interview if they were to be invited. While invite channels are still active, users can easily sign up using...