All of the discussion to this point has been about their MT82 shifter. The GT500 shifter is a completely different device. I actually haven't heard too many complaints about the stock shifter for the GT500.
I've heard the MGW solves the annoying 2nd gear grind which the TR6060 has. I mean I have to yank it into 2nd if I'm going faster than 20 MPH, or down shifting into 2nd, and if I'm getting on it, you REALLY have to yank it into 2nd. I've just been reading the MGW helps a lot with the 2nd gear grind.