Errrr....ride like an Aprilia 250
Wouldn't have thought so mate. I've never ridden a DD bike either, but I would've thought they's ride like a 900SS or a Monster but slower.
They'll definitely take more steering input than a 'prilla to flick onto their side, be slower to turn but a whole lot more stable when they are on their ear.
I'm only going by having ridden the road versions, somebody might come along and tell me they've got their race bike set up to be as nimble as an aprilia...but I doubt it