Warren Elsmore has done wonders, and has got together an amazing bunch of speakers and content. Paul Mooney - the unabashed admin king, Julian Robichaux - NSFTools himself, me, Carl Tyler (Mr Sametime), Bob Balaban, Gabriella Davis (The UK's leading Sametime, Quickplace and BES expert), Rob "130 Guinness" Novak, as well as customer studies from the likes of Cardiff University (Ever tried rolling out a 30k user Notes environment. Every year ?), Trailfinders and so on.
So get over to www.UKLug.info before its sold out!