Having moved house (no it did not go well), I was checking my bloglines, when I came accross this found via Self-plagiarism is style. Its in England and its free (which one is rarer). I'm going to go to what they describe as :-
This informal event is a chance to meet others involved in Library Technology and related fields such as metadata, search, etc. Inspired by the Mashed Museums event, the day will give the opportunity for you to discuss ideas, share visions, and hopefully actually develop some stuff. All you need to take part is some enthusiasm for exploiting technology in the Library and Information world.
Mash it up.