Actually, it's eaa.org. It is indeed well worth going to AirVenture. Always interesting to walk around and hear countless languages being spoken. The love for aviation is worldwide.
The rotorcraft there tend to be light (Enstrom, R44/R22, Rotorway, AS350) or heavy (Chinook, Skycrane). You can usually get right up to most aircraft. It was interesting last summer to see the Osprey up close and talk to her pilots.