Thanks for the feedback. I am finishing 1/2 of the basement in my house. The room on one side of the stairs will be for my kids, and the other room will be for my exercise stuff, weight bench, dumbells, heavy bag, etc. So, I was planning on drilling through a joist in the center of the room if I go with a hanging bag. I am a big guy, 6'5", 250lbs, so I was worried that a smaller freestanding Wave bag would be too easy to tip over with kicks or punches. Likewise, a hanging bag might be very very noisy for anyone upstairs.
I have to admit that I was thinking that heavier/bigger was automatically better, but I can see the point that a lighter bag that moves more has advantages too.
Mike