Biggest news is the BPF (Big Piston Forks) front suspension. The new design theory is only available on the new ZX6 and the GSXR1000. Looks to be a great system.
Total engine redesign should make it (once derestricted for US noise emissions) the strongest 600 cc mill plus it has retained much of its positive handling traits from the last gen model. Yeah I think it will be killer....