Which is best?

[pashnit]

Steve, we carry the Pingel brand, been rather popular for an electric shifter for Busa owners.

Air vs. Electric is more-so determined by how are you going to use the bike? Air only system is generally associated with track-use only as you constantly need to keep refilling the bottle. If it's electric, that's a non-issue. So the sport-touring side goes for the electric.

Here's some more info:
http://www.pashnit.com/product/pingel/ea...uzuki.html