OP, I came from riding a GS500F in my first year, and all I thought I wanted to upgrade to was a 600SS. I sat on all of the major contenders, GSXR600, ZX6R, R6, CBR600, Daytona 675's...all felt cramped to me except the Daytona and the Ninja (I'm 6'2", 190Lbs). Then I started considering naked...