Ok, I'll bite.

There are oodles of movies with subsonic frequencies present. There is a master list of bass soundtracks floating around somewhere. Some below 10hz.

Unless were talking wilson alexandria xlf, or the like, you will not get the tactile pressure wave out of a tower speaker that a quality sub can produce. Imo, the low frequencies are what makes a real HT experience. When you can feel the robots blast in woth, you are "in" the movie. And I dont mean a light rumble, I mean guests un-initiated look at you with fear and joy in their eyes at the same time.

I think you may be a little gun shy after dropping the cash on the lfrs, but dont fret. Buy a quality sub, or better 2, later when you can. So far you have the foundation for a great system. You can always decide once you get settled in your new space. smile