The line-up was released today and includes: Bob Dylan, Arcade Fire, LCD Soundsystem, Midlake, Damien Rice, White Stripes, Andrew Bird, Bloc Party, Wilco, Bella Fleck, Amos Lee, etc. See the entire line up here.
At $145 at ticket, this is a steal, scores of concerts in Zilker Park for three days straight! Oh, by the way, I have two tickets:)