Im looking to buy one to beat on it on the track. Like i said parts are everywhere and the bikes are cheap. The 04/05s were decent bikes minus the cam chain tensioner, secondary throttle valve actuator and the lego brakes.
For the street however i don't think id get another gixxer after riding a honda.
And yes honda has their issues as well, but when comparing a 600rr vs a gsxr its a pretty clear picture when looking at a reliability point of view.
Cost and maintenance might be another story..Look at a oem suzuki air filter, 35 bucks vs hondas 90