My somewhat realistic wish for a summer mercato:
Jovetic = 18M + Giovinco + Marrone (Loan) (From TuttoJuve some weeks ago)
Boakye/Berardi = Back from Sassuolo / buy from Sassuolo 3,5 (Price from Transfermarkt.com)
Quaq = OUT 12M (Price from Transfermarkt.com)
De Ceglie = OUT 4,8M (Price from Transfermarkt.com)
Poli = Buy from Sampdoria 7,5M (Price from Transfermarkt.com)
SUM = about 12M spend (If Berardi is bought and Boakye loaned to Sassuolo 1 more season)
This would be a very competitive team (Maybe an extra defender is needed, though) with the following strike force:
Llorente, Matri, Jovetic, Vucinic and Berardi - where the 3 latter all can play on the flanks in a 4-3-3 if needed.
However, the question is, if Giovinco is willing to transfer to Fiorentina. AND.. I highly doubt that the Transfermarkt prices reflect the actual selling/buy prices
Personally, I think it would amount to at least 20M, but it would still be doable even considered we have to pay for Isla, Asamoah and Peluso.