I've had many powerful bikes over the years, including a Yamaha Vmax, and my Gen II FZ1 feels just great in stock trim. It's a pussycat in the first half of the rev range, and a fire-breathing dragon in the second half. The engine is also as smooth and linear in it's power delivery as an engine can get. And as far as comfortable bikes go, not many motorcycles in this class can touch the FZ1 in the handling department, either.
Just the way I like it.