the z is a solid bike, and a pretty unique one as well. not as special as the rc, but up there. its not quite a drag vike but you will lose some of the handling. it is fast as hell tho. so its your call really.
2003 ZZR1200 - Galfer Lines, EBC HH Pads, Corbin Beetle Bags and Seat, Genmar Risers, Muzzy Full System. - Street.
2007 RSV1000R - Penske triple clicker, Ohlins forks, Ohlins steering damper, Leo Vince titanium full system, race ECU, Brembo mono-blocks, Braided lines, Race battery, etc.. - Track whore.
2004 Hemi Durango - Tow duty