I am a firm believer that it is the carpenter and not the hammer
I don't know about that I've swung a lot of hammers and there is a hell of a difference!
I definitely agree with Muts theory on get whats comfortable and that's why I ended up with the superstar, out of the 3 boats I narrowed it down to (420,project,superstar) it was by far the most comfortable boat I've been in.
I did 5 hours in a boat I took from the shop to the river and when I was done not one ache!
That's all it took to sell me on the boat and haven't regretted it for a second! Once your comfortable the rest will come!
That's my 2 cents!