Great review, and PERFECT timing, as I have a ML BalancedForce 210 sub (with PBK) on order! Glad to hear it works reasonably well, but I hope they'll address the "quirks." I also have the XTZ Room Analyzer Pro kit, which I'll use for additional "dialing in", particularly for two channel playback. In Home Theater mode, I'll let Audyssey MultEQ do it's thing.
FYI, your measurement images are not currently visible (tried IE and Chrome).