I sold my S2R1000 to buy a streetfighter. My monster was very special to me, in fact I said on several occasions that it was the one bike I never wanted to be without.
originally my plan was to trade up to an S4RS but when the SF was introduced I decided to wait and take a look. I ended up buying on the day the SF was introduced in the US. I've never looked back or had a second thought, the bike is absolutly phenomenal.
Like any new Ducati there are a few things to change and personalize, and fueling with E3 restrictions is too lean on the low end, but once the bike is tweaked there's nothing like it.
I've done a lot of work to mine but I'm still waiting for an exhaust system that I like. I love the looks and especially the headlight, when you see it in-person the bike just looks bad@ss! but to ride it is different for everybody, it takes a little time to understand it and a little more time to appreciate it's capability.
I think I'm in for the long haul with this bike, I can't imagine anything that is more fun. (I'm an adrenalin junky, and the streetfighter pumps adrenalin in buckets!)
I say hell yes trade your monster, go for it! You just can't understand how amazing the SF is till you've lived with it for a while.
And personally, I see the SF as an evolutionary step for the monster series
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