I can't believe you could go wrong with the Perspectives in your sized room, if you like the sound, and I have loved it for a long time, since Pearl I's came out. The Pulsar's, if properly positioned, can give a lot of deep bass joy without a sub as well.
I think the Perspectives will go plenty deep and solid for you in that room. I run 2-1/2 way type speakers like those, albeit with two smaller woofers, and they will get down into the 30s solidly in my 16 x 20 x 10 room.