I've just cycled through all of my bookshelf speakers while testing a new amp.
AR19's (Acoustic Suspension)
Usher S-520's (front ported)
QAcoustics 2020i's (rear ported)
Sansui AS-100's (Large, very large bookshelf speakers Acoustic Suspension)
Wharfedale 220's
I prefer acoustic suspension 2 ways and a 10" woofer will do the trick in getting enough bass as on the Sui's but the AR19's performed particularly well.
I bought the Wharfedales during and end of financial year sale well below their normal cost after reading so many great reviews the fact they had knocked the Qacoustics off What HiFi's best bookshelf speaker in the price range.
Initially the 220's were very impressive, I was playing instrumental trio jazz, piano, bass and percussion. They were spacious and imaged well, soundstage was wide and high enough and a low to moderate volume levels they never lost their ability to provide earfuls of music.
I then played a female vocal in a trio setting and there was that muffled hump that made the vocal a little too woolly, that did not show up on the other speakers. And I remember that was the irritating factor that made me move away from my Paradigm Atoms V3's. If I listened to them and only them, my ears would grow accustomed and I would always be amazed and satisfied with the sound (and none of the above contenders can do piano like those Atoms.)
But in comparison that one track undid the Wharfedales, which are now packed away back in my cupboard. They are really nice, look great, sound terrific, and if I wasn't an idiot and kept hold of so many speakers, and purchased a little more smartly so that I had only one pair at a time in my possession, they would be my speaker of choice.