If we get Berardi back, then we will definitely try out the 4-3-2-1, and that won't require any of Mandzukic,Cavani or RVP.
but, if it was up to me, I would take back Berardi, but i do like to have the 2 partnership upfront, so just get an AM, and the best available one for me is Isco, I mean seriously, an Italian defence, an MVP midfield, and then young, hungry Spanish speaking forwards! Isco and Darmian are it for me, i have no doubts we can bring this two, no need to spend too much on the likes of the old strikers being linked, and Instead get Isco and Darmian!