Christian has a good point. If you want to continue this project indefinitely, you might want to look into becoming a non-profit. I'm very involved with the Harry Potter Alliance and I know our upper-level staff have been going through the application process. I can try to get you in contact with them if you want.

Otherwise, for the short term the Nerdfighters have been working on this for a few days:
http://www.facebook.com/event.php?eid=58339026829

The event was only posted yesterday afternoon, but we already have over 30 people helping.