A plane is a plane is a plane. If you can fly a 90knot plane well, you can fly a faster plane well. The problem is, most people don't fly the 90kt planes well.
Proper instruction and student mentality is key here. You will learn to be a much better stick & rudder pilot by flying a slower, underpowered, light aircraft. My favorite plane to train people in was the C152 because it offered all the above. It was simple, so you concentrated on the actual flying, not all the "gadgets" that are in things now.
Just my opinion, but what do I know with 1100hrs of dual given