Really? The 851 remains one of the most nimble ducati superbikes in my experience. Light years easier to turn than the 916 et al. The monster was 851 derived and also very flickable.I got a test ride on a 851 back then, thought it steered like a truck....
The Strada is my first Ducati in >40 years.
My favorite from that decade would have to be the monster 900. But it was a great period for their designers. Tough call.