If so - link your apps - I'd love to see what other HN readers were able to pull off. Our team submitted the following site:
http://meetinbetween.us/
The wrap-up of the event can be found here: http://andrewkavanaugh.com/?p=12
If you competed, let's see your apps and hear your stories. If you didn't compete, don't forget to go vote on http://railsrumble.com
http://inspiresme.r08.railsrumble.com
Solo developer, started 24 hours late. Was quite the experience though.
I'm thinking of organizing a distributed hacking weekend every few months that isn't with a competition or prizes or anything but it's more like a environment where there are a bunch of various hackers working on projects, with an IRC backchannel as the community.