I also came from an ST2 and the riding position on the MTS is better in my opinion for the back. However, when changing bikes and then riding positions you need to get used to the new position. I need ...
First of all you should think about how you will use your bike. I think the 620 would be a lot of fun to drive around in town and on shorter trips. The 1000 is a better choice if you intend to go tou ...