I personally had a great time in the past 2 years at the European version of DEMO: Innovate! Europe.
I was lucky (!) to open up the second day last year with the 9am speech (find it here) after a very very long night of hanging out with the entrepreneur & VC community.
All of the presentations from last year are online, thanks to vpod.tv :) on Chris' site. You will just need to register for free once. Good practive for the folks this year.
I hear Charles Liebert, Charles Nouÿrit, Alexander Casassovici are going. who else ?