Inter Milan, Napoli and Juventus are for me the three top contenders for the scudetto this season, Atalanta looks far secondary in this contention, the season have not kicked in fully but this is obvious that these three have good preparation on ground except that Juventus is very inconsistent which I do not know if they have fixed. Amongst them all Inter is my favourite and I hope to see them lift the scudetto.
Not sure why you include Juventus, they're still a mediocre team because they haven't change few players in important position. The problem in Inter is the manager, I don't think Chivu is better than Inzaghi.
Napoli is still the strongest contender in Serie A.
I guess we will see a surprise from smaller teams, many Serie A teams in this season are still in experiment. Como and Bologna are potential.