2.Nc3 is a good developing move that preserves the possibility of a later f2-f4. The tactics after 2.Nc3 Nf6 3.Bc4 Nxe4 4.Nxe4 d5 are quite exciting. Don't miss these games!
Related literature
Vienna Game, Gary Lane.
Complete Defense to King Pawn Openings, Eric Schiller.