DebianUK
debian-uk is a mailing list and IRC channel (on irc.oftc.net) but mostly just a group of Debian users and developers in the UK.
What you don't know what Debian is? Go read [http://www.debian.org/] straight away!
You don't know where the list is? [http://www.chiark.greenend.org.uk/mailman/listinfo/debian-uk]
Occasionally debian-uk people decide that this wiki is quite useful for storing random bits and bobs. This includes:
DebianExpoList2003 (London Olympia Show, October 2003)
Debian10thBirthday (Cambridge Party, August 2003)
DebianLinuxUser2003 (Birmingham NEC Show, June 2003)
DebianExpoList2002 (London Olympia Show, October 2002)