I have auditioned the yesterday a long side with Monitor audio silver 100 7G and Cabasse MC170, THE mc170 is three way design others are 2 way.
The are all very good and each has it characteristic, I am before buying now, I did not had a time to listen to POLK R200 but I think the rest are in a top League then the POLK.
The MA SILVER 100 has 8 inch midbass driver , the emut20 7 inch , cabasse I think 6.5 inch.
The MA Played much more high volume , the cabasse had the best tweeter sound but they distorted at higher volume, for me I think the Emit 20 is the best sounding , more controlled bass then the MA SILVER and the tweeter sound sweets and well harmony with the midbass.