Bookshelf Speakers with the decent bass

For your size room and the type of music you like the Harbeth P3ESR should be on your list. The Spendor 3/5 r2 is a close second. I have owned both and think they are both outstanding.
http://www.hifizine.com/2011/12/harbeth-p3esr/

In that size room I think towers would be the way to go. The Monitor Audio Silver series Zd542 mentioned are very good. I had an extended listening session with the Silver 8 about a month ago. I could live with that speaker. Great bass, open full mids and good highs.

I also recommend the Bowers and Wilkins 683S2. I've demoed them several times over the past few months. Great speaker! They have the same great attributes as the MA Silver 8. I prefered the the tweeter of the B&Ws just a bit more.

I demoed both the MA and B&W with Maratnz gear with 80-110 watts on them.

Users and reviewers speak well of "The Clue."

I've had Paradigm reference Active 40's vs in Cherry veneer. Very good stand monitors with dual 6.25" drivers with 125watts to the two mid/bass drivers and 50 watts to the tweeter in each speaker. I ran no sub and the bass these speakers it out sounded like I had a 12 subwoofer. I wish they still made them today in the sig line they would be a keeper speaker.

"04-11-15: Roxy54
Users and reviewers speak well of "The Clue."

That's because they don't have one.