I haven't heard the PSB's in question but if you have a Paradigm dealer nearby, you might be able to answer your own question by listening to a set of Paradigm Studio 100s, the M80s sound very similar. Next listen to the PSB's and go with the set that you prefer.

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70