@juliangst "After reading this thread I still don't get the benefits of a floorstander compared to booksheves, both with subs."
The answer is that you need to use some large floorstander, full band,
without any sub but with a powerful amp.
Remenber that a 10" subwoofer has an integrated amplifier rated from 100W to 600W.
Thus if you couple a dual 10" floorstander with a xxxW power amp you will easily be able to crank up the low frequencies (EQ is there for that).
For music it will be far better than a subwoofer and for movies it should be sufficient.