I just read this thread from start to finish.
I just purchased my first bike. an 03 600RR
I agree with many people on here that it is a lot of bike. But I know myself and my habits. I will not be cruising in high rpms where a little bit of throttle will launch me, and I will be riding ALOT of parking lots to practice braking and turning, accelerating and what not.
The first time I try to stop fast or in a turn, will NOT be on the road.
I know what damage bikes can do, and if you are young and starting on a 600RR you need to be MATURE. Wear your gear, practice your stuff, and dont push yourself. The bike is not a toy.
Also, get frame sliders... protect your investment.
If you understand these things, you will be okay.