I do use a 5-3-2, a rather aggressive one:
----------Alex/Miccoli-----Treze/Bojinov
--Nedved/Kapo-------------------Camo/Marchionni
----------------------Paro------------------
-De Ceglie --------Zanetti-----------Balza
------------Kovac -----------Barzagli
----------------------Buffon
Subs: Mirante, Rozenhal, Biri, Konan, Olivera and Palla.
I do switch to a 4-4-2 Diamond, on occasion, and I even use the X-Mas tree, it depends on the players available... (I still mourn the loss of Chiellini at the hands of Gigli who sold him to Bayern for €6M

)