Pros (+) In an apartment building, which gave it a local feel. It's close to the metro and bus stops. You can walk to Trevi and the Pantheon (15-20 minutes). The staff are lovely, and the breakfast nook is really nice in the morning.
Cons (-) The elevator was a bit slow and only could accommodate 2 people, maybe 3 if you squished (the hotel is on the 4th floor, so you'll want to use it).