SXSW for Free (and for non-profits)

http://sxsw.com/free
http://www.sxswbaby.com/index.php/site/open_and_free_to_the_public_sxsw_even
ts/
http://showlistaustin.com/ [scroll down to “SXSW week”] http://austinist.com/sxswist [not all free, bot oriented towards cheap] http://www.nashvillescene.com/2008-03-06/music/on-the-cheap

And of course, don’t forget to offer to volunteer to help with the various extra events if you wouldn’t otherwise be able to get in.

You can also still volunteer for the _music_ part of SXSW only:
http://www.volunteer.sxsw.com/music_production/

(Thanks to Ms.G for this great list)