Roma are a good team, not completely sold on their defense. But that mid-field is nasty, especially with Strootman and can certainly protect the D. I actually like their attack quite a bit, unlike most of the opinions in this thread. They may not have an out and out elite striker, but they have a lot of gifted individuals who play well off eachother. Being able to bring attacking talents like Florenzi, Ljajic and Destro off the bench is pretty nice.
Destro could explode into a top striker as well, I believe.
I still think we will beat them to the Scudetto, but not by too much. I think all the bigger teams have improved on paper this season, and that it will be a bit tougher to accumulate points than in seasons past. There are no real easy games against the top 6.