All of the Traffic will be into YYC, It's the only airport near that is capable of such traffic. The airport in banff is almost even too small for Cessna's to take off and land at.
The humour about the G-8 is that Calgary didn't really want to nave the summit due to the demonstations from the World Petrolium Congress. Since Kananaska's has limited access it is believe most of the protest will be held in Calgary. It'll certainly be interesting to see the variety of aircraft here in Calgary