600 and 750s are a waest of time lol yeah new ones with 130 140 bhp are fast till u get to about 100 then there not that fast thats were a 1000 comes into its own my r1 was so much faster than my 600 gsxr it was unreal people who say 600s and 750s arnt much slower are jokers lol id say get one and will never look back! i have always liked zx10s but for me it would have to be the new r1 or maybe the gsxr but them exhausts look horrid but they do look good when u have binned them! but then the new bmw dose seem to be kicking jap arse lol will be good to see how rutter gets on with one on the tt!. Must say though as much as i loved my bike on the move my cossie was faster lol