During the PKRA Germany Beetle Worldcup from August 19-28, in St. Peter-Ording, Germany, you will find more than 15 brands demoing their latest 2012 gear.
All major brands like Naish, North, Cabrinha, Flysurfer, Liquid Force etc will demo their gear for free. Make sure to have a proof of your level (no beginners!) and an ID.
More info about the event can be found here: www.kitesurfworldcup.de