The biggest issue I see with the V regarding two-up riding is the height of the V. Many passengers have trouble getting on. I have to let my girlfriend get on first (with the kickstand down), then I get on.
As far as comfort, she said that it was comfortable for a sport bike. (She's used to riding tourers like Goldwings, Kawi 1500's and such.) She prefers when the topbox and the panniers are mounted, but I think that is just a personal preference.
-Never mistake kindness for weakness.
-Harley Davidson rEvolution engine (V-Rod): Designed by Porsche, detuned by Harley.