I just made the switch to a C14. I'm a lightweight (6', 160 soaking wet), and I don't find the C14 any more topheavy or intimidating than the C10. It's a little harder to maneuver *backwards* because the C14's foot pegs stick out much further, catching on my legs. I never dropped the C10 during the 3 years I owned her, but within a week of my selling it, the new owner has already dropped it.
My wife does not like mounting/unmounting the C14 at all, I'm looking at larger rear pegs, and maybe lowering them. The closest times I have come to dropping the new bike have been when my wife hops on with a little too much gusto. I'm now in the habit of putting the side stand down beforehand.
I couldn't care less about all that stuff once I get on the throttle...