The Monster 1100 is air/oil cooled, with 100hp.
The 848 is a liquid cooled superbike engine, with 140hp.
The Streetfighter basically replaced the Monster S4R family, and all Monsters are air/oil cooled now....
^^^ That too..!
And now the new EVO engines are pumping out more power than the previous models. *I wouldn't put it past me if Ducati offers a Multistrada with an 848 liquid cooled engine in the future..!
It would be like this:
Monster.......696 (entry level) Most noticeable features: wet clutch, dual sided swingarm, 120/60 Front tire, 160/60 Rear tire
Monster.......796, 1100, 1100S
Hypermotard.796, 1100, 1100SP
Multistrada..*848, 1200, 1200S
Streetfighter.848, 1198, 1198S
Superbike.....848, 1198, 1198SP
And my own personal prediction (you heard it here first):

arty
Superbike.....849, 1199, 1199SP