2 of my friends died from a Z750 and Z1000 accident.
Infamous tank slap case.
Never get a naked bike for top speed. Not sure about the fairing Z1000.
Get an R6 and you will never have to change your bike ever again.
Unless you get old and the riding position doesn't torture your back.
Just my 2 cents.

This post has been edited by AccelTech: Jan 10 2013, 11:21 AM