The Tamer was some of the best money that I've spent on this bike.
There are the people who will say that you don't need it and you should just "learn to ride", but I've been riding since the mid-80s, so I ignore that bit of 'advice'.
2010 696 ProTune Powermap programmer, EvoTech tail, Quat D Alum slip ons, Artrax wavy rotors, K&N, 14T, bar risers, G2 Throttle Tamer. Still working on swapping all of the black plastic over to carbon fiber. Oh, and no more ugly charcoal canister!