Thoughts from Rails Rumble Teams and Organizers
http://www.sitepoint.com/blogs/2008/10/24/rails-rumble-245000-lines-of-code-in-48-hours/If you participated in Rails Rumble... why? I'm a sponsor and I think you guys are all nuts. ;)
Participants told me things like: it's fun, you learn a lot, and the time constraint is a kick in the pants to get working on a startup idea.