The magic thing was that we organized this event through the debian-user-catalan list and everyone contributed in a different way (one made the poster, some spread the word, other brought some^Wa lot of food…) It was a DIY party and I think I can say everybody enjoyed it. Yes, I'm proud to belong to this local community.
Here you have the party souce code (developed in Catalan language): Catalan Debian Wheezy party source code
And here you have the binary:
Be careful, if you try to build it again, the binary may be different ;)