July 19 and 20, just outside of Denver.
Just confirmed: Tom Petty and the Heartbreakers headlining July 19, Dave Matthews Band headlining July 20. Not to mention lots of other cool bands!!
For more info:
Mile High Music Festival
From the DMB fan website:
"03.18.08
We are excited to announce that Dave Matthews Band will be headlining the first annual Mile High Music Festival presented by SanDisk, scheduled to take place just outside of Denver, CO at the Outer Fields area of Dick's Sporting Goods Park on July 19-20, 2008. DMB will perform as top bill on on Sunday, July 20th, while Tom Petty and the Heartbreakers will headline the festival on Saturday, July 19th. Other artists in the lineup include John Mayer, The Black Crowes, O.A.R., Michael Franti and Spearhad, Rodrigo y Gabriela, Steve Winwood, Colbie Caillat, The Roots and many more! The Mile High Music Festival, the likes of which Colorado has never before seen, will feature five stages (some tented), food from many of Denver's best restaurants, an artists' village, misting tents and more.
Mile High Music Festival tickets will go on sale Saturday, March 29th. Tickets are $150.00 (plus service charges) for a 2-Day Pass. A limited number of Single Day Tickets will be available for $85.00 (plus service charges) while supplies last. 2-Day VIP Packages are also available for $495 (plus service charges). Visit
Mile High Music Festival for complete festival, lineup and ticketing information."
Woo-hoo!!
The Mile High Music Festival!!! 
Hatter
