all depends on different models to - i rode a early 03 model 600rr and it was just as heavy as my 05 r1 that i had... but i can understand not wanting to go 1000cc bike as it is pretty rediculious power in everyday traffic....

the r1 was just so much fun for me.... didn't take much and took a look down at the speedo and i was doing 250km....

but in 600 class i would go r6 over the 600rr - i've riden both and the r6 just feels more comfortable - all about personal choice... ride both and go from there ... g/l buddy