Well in my opinion less is more.
You will have more fun and learn more exploring the boundries of a 6 hundy than never finding them on an R1.
Sounds like your the sort to do a few track days as well and the above def applies there. There's plenty of 6 hundy's passing thou's at a track day.
My son started on a 250 (VTR and 250 inline 4) now has a 600. He has said a on a few occasions while in different stages of his learning curve if he made the same mistakes on a bigger bike than he made on his 250 he'd have been in the shit (and thats with a few years top level karting in his experience kit).
Trust me you'll be a better rider faster with a learning curve staged to your skill set development, bike choice is an important factor.
You might also experience less Pain on they way through, this way
and this way 
Just my 2c
On a Motorcycle you're penetrating distance, right along with the machine!! In a car you're just a spectator, the windshields like a TV!!
'Life's Journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out! Shouting, ' Holy sh!t... What a Ride!! '
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