I'm on a Gen 1, so my experience is apples and oranges. My buddy calls my 'Busa the "Bentley of motorcycles" as I do mostly sport touring. Rural two lanes, the twistier the better. Hopefully for a day or two. It does this very well.
She will do interstate in reasonable comfort. I can usually get 200 miles from a tank. I just added a "sport touring" windshield.
My wife likes the comfort of a conventional touring bike over the Suzuki. Mostly that the sport bike foot pegs are higher than she likes. We do a few limited outtings a year. I can recall conciously thinking when I bought it that the 'Busa was a "full size" sport bike with a decent rear pillion. I still think that. Keep the bike / trade the wife...
There is so much aftermarket for these. The bike gets recognized everywhere, even by non-bikers. It's super torquey and wicked fast. I prefer something nearly stock / mine came with a pipe on it. No regrets about buying the Suzuki.
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