For those who prefer slower action there is the seventh annual Sweetheart Balloon Rally
August 26 - August 28, 2011 Fairgrounds Park Loveland, CO
Number of balloons: 30
Do the ballons use radio? I will try to find out ....
The Colorado Aviation Historical Society, I am a member of their Aviation Archeology group. Should have a few parts from crashes around the stat, taken w/ the land owners permission. I am looking forward to seeing the P-51 and the C130!