I just got back from the inaugural Mobile Monday London and it was a great turnout, with great speakers. The UK are definitely going to give Silicon Valley a run for it's money in terms of quality meetups.
Don't forget if you're in the Bay Area that tonight is Mobile Monday also! It's going to be held at AOL again, and the topic is Funding and Investing. Mike has all the details over at the Mobile Monday blog. Sorry I can't be there, looks like it's going to be a good overview the money side of things.