Dude, 600 and 750 gixxers look the same. If your not going to go faster than 120 mph why would you get tired of a 600? 600 is fast enough for the streets, you will break the speed limit in 1st gear.

The things I hear a lot are that Honda's are more reliable yet more costly. Then again it really comes down to how you take care of it. I never had a problem with my gixxer.

I wont tell you to go buy a gs500 or a ninja 250 b.c you have your mind already set on the bigger bikes. You will learn a lot quicker if you start small.