For what its worth, I would always go for the 6 speed option, and get the final drive right for the cruising I wanted to do. I have a k series R500 and even with that, when I am not in the mood to really go for it, I use alternate gears - going from 2 to 4 to 6. It has more than enough torque to do that, and can normal start in 2nd gear. The CSR should have much more torque than my car, so I would have no worries about making first too high.