Bookshelf Recommendations


Long time, first time here. Looking to upgrade my current speakers. While I know the best way to judge is by actually LISTENING to a set-up, I've read a lot of positive reviews of the SVS Ultimas. Does anyone here have first hand experience with those or a similar bookshelf at the +/-$1k price point?

My listening space is 12 x 12, with a Carver M1.5t power amp and CJ PV-12 pre. 
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Wouldn’t you know it: choice set of Vandersteen 1Ci’s currently on eBay, just waiting to be snapped up. Hmmm. Would those, however, be too much speaker for my space?

As mentioned at the outset, the room is only about 12’ x 12.’ While I realize that with “bookshelf” sized speakers there will be low end sacrifices—inclusion of a sub notwithstanding—a high quality speaker of that size, on stands: wouldn’t that make for a good setup?
And don't forget TOTEM!
Fabulous imaging and far better bass alignment than ls50s.
Just found a pair of KEF R100s. Suprising low end.  Very warm,  almost too warm so don't put them with warm electronics in my mind.   But for the $500 that I paid they were worth the price.   Can really move the molecules.   I  also liked the NOLAs mentioned above,  but a completely different sound.  Much brighter which for certain music is a good thing.   
I recently returned a pair of LS50'S that I had purchased intending to upgrade from my B&W 685's. Although for their size they had very clean sound I found them lacking in mid-bass.
B&W has a current bookshelf offering that is getting great reviews. I would go that direction