first off-my question to you is this: What are your plans for the bike??
that would sway my decision alot- if you go sport-touring, street riding, but see the track only 2-3 times a year?? mebbe '08 would be better; fresh motor/suspension/brakes and more equity in the bike in case of accident.
But if you're a track-rat and plan to race??? Dont take a rocket scientist to know the Turbo is the way to go here.
I think your dec. should be based on what you plan to do with the bike-if you just drive around town, and wana make the bike sound more Badazz, just throw a Brocks or Tsukigi Sidewinder exhaust on there n leave the baffle in your garage
lots cheaper than a Snail kit and still makes for a mean bike.
I was going over this same dilemma in my head beginning of this season, but I have stoooopid$$ in my bike, and I ride alot so changing oil/regular maintenance is req. almost every other month and I cant stand the '08 fairings so I'm stickin with what I got
good luck with your decision, hope it makes you happy