You have to be a dealer to use the Triumph tool. It has to be updated online through Triumph's dealer site. Tuneboy will do most of what the Triumph tool will do. There is a group buy going on at
http://www.triumph675.net/forum/showthread.php?p=529083#post529083
The Rocket is a shim in bucket design. And unlike the other triple engines Triumph makes there isn't a tool to swap shims. The manual says you have to remove the cams. And that is what I did, but I was replacing my cams too at the time.
My local dealer, Engle Motors in Kansas City, Missouri, says they have made a tool to swap them.