Couple of points: I've stressed that we need a stand with some form of sunlight for the RaspPiSolar, the conference people (who are, so far, totally interested in NXT, btw) think it's a brilliant idea and are going to help as much as possible with stand placement.
Apparently the entire crypto world is going to be attending, this is shaping up to be the biggest BTC conference ever organised (according to the over-worked organisers):