I'm not sure if it's over 600cc, or 700cc - but atleast in Canada - for a young person with that much CC your insurance is going to be through the roof.
My dad is 6' 3" and can ride a sport bike comfortably, though he prefers a sport tour since he's getting a little old. If you need to be leaning forward to be comfortable, your back is going to get very sore if you go on a longer trip.
Now ... a bike I would recommend is the Yamaha FZ1. Your not leaned over as much as with a crotch rocket, but it still packs a punch since the engine is based off of the R1. I'm not sure what the cc is, so in the insurance might still be very expensive.
.... darn insurance.