^ its just another one of those dumb arguments made by people who generally don't know what they're talking about
OBVIOUSLY you shift gears on any bike, that's what they're bloody there for. What you don't have to do is downshift like an a-hole just to pass cars on the highway or pick up some speed, like you would on a sewing-machine-600.
Liter bikes are awesome. Way way better for street use than 600s. They rev lower and are thus generally smoother, they make way more power down low where you spend most of your riding time, and they're faster than the space shuttle and you never really get 'used' to the power like you would on a 600. Yeah, you get comfortable with it.. but it's always exhilarating when you let it rip, even after years and years of riding the big bikes.
BTW if you really love the instant power delivery of your SV, I'd press you to look at v-twin literbikes. RC51, Aprilia RSV, Ducatis, KTM RC8 or SuperDuke, etc etc. All that stuff I said above when comparing literbikes to 600s also applies to comparing v-twin liters to inline 4 liters.
v-twin 1000 = the holy grail of awesome
This. Can't stand 600's for the street. Tried out a gixxer 1000, and it was the most manageable and predictable bike I had ever ridden. You've shown more than a logical progression so far, so fill yer boots. Get the R1!!!