[jonathan180iq]

The Ninja comes with a centerstand, which you can't find on any of the 250 cruisers, and that makes rear end maintenance a lot easier.

The Gz, as primal noted, is a much simpler machine and requires less maintenance. The SOHC means that valve adjustments are pretty simple and straightforward. The ability to access the carb on the GZ is also easier, becuase it simply be turned sideways while on the bike, if you get into jetting or that sort of thing.

For the money, you definately get more bells and whistles with the Ninja. It really boils down to what you want and knowing what you'll use it for.

If you want a solid, all around machine, with little hassel, get the GZ.
If you want a solid, nimble, faster highway bike with more standard equipment, get the Ninja.