there are only 10 seats left
Did I say 10? I meant 5 ;-)
You are obviously charging too little! ;-)
Good work! Will you have a live web-feed?
Seriously though: have you thought of recording the presentations onto video tape/hard disk and making the talks available on the net somehow? Not only would it serve a useful purpose in promoting Lisp but would also document eurolisp's activities in a more permanent way. A simple iSight camera, Apple's free Broadcast sw so that you could dump to disk, and a powerbook with lots of free space to save the mpeg4. As long as the audio is clean and understandable then it would make a valuable archive; video quality at 320x240 or even 160x120 would suffice.