Hehehe, thats even way more unrealistic then the Trez-Eto swap (its too good to be true...for us). An that one was hella BS rumour (like anything about trez)
There is no way we would improve Roma that significantly. Aquilani is young and a quality player, but Roma would be improved more in that deal then Aquilani would improve us (heck Iaquinta would improve them more then we would want to, Trez would way hurt us way way worse).
P.S If they are willing to pay Trez 4m salary, why cant they give Aquilani 3m?