who should be Inter Milans new number 10?

Coutinho

Lucio :D Deserves it more than anyone

Lucio is at Sao Paulo

Isco. Oh wait. He signed a new contract, right? Maybe you can just use Coutinho like mladen said.

I heard coutinho would go to liverpool lol 

Looks like it's almost complete:

http://footyroom.com/forum/football-talk/liverpool-capture-phillipe-coutinho-from-inter-42975