Ok. Thank you everyone. I appreciate all the help.
I hope your happy with whichever decision you make. Honestly I feel your in a win win
Your already happy with the sound so save 3000 bucks and invest it in other parts of your theater
Or go with a killer sub and then a year or 2 later replace the last Klipsch with another version of that sub
I honestly think if your going to spend that kind of money I would in your shoes go with a Monolith 16 ultra. Those are designed to he a SVS ultra 16 killer and they are indeed an SVS ultra assassin for $700 dollars less
Or Rhythmik as someone mentioned heck for 3000 get that FV25HP that dual 15 monster would slaughter that SVS. So would the Monolith 215 Power Sound Audio would be great as well. For 3000 there's a lot if great subs out there that can outperform the SVS
But if you need the app and love the look that's a great sub the SVS PB16. If your room isn't too big you may not need the extra output or headroom those other options provide
Good luck keep us posted on what you ultimately decide to do!