Looking for good bookshelf speakers less than $1k

I spend a LOT of time at my desk and want to upgrade my speakers, new or used would be ok.

My system is Jriver/Flac > Schiit Uber Bitfrost > NAD c356bee > B&W 601s2, and utilizing a Velodyne Impact 10 sub to supplement the bass.

Desk is 4'x5' and will be up against a wall in the family room. The speakers should work well on a desk really close to the wall. (the Revel M20 flush mount switch and high frequency control sounds like a good idea).

They probably should not be rear ported since they are so close to the wall?? And since they are so nearfield they should sound good with low volume, and I usually listen at lower volume anyway, but I like to crank it once in a while. I like a bit of a warm sound, however the B&W 601s2's are a little too warm and not much detail or bass slam.

I listen to a large variety of music with a huge interest in The Blues. Also listen to Jazz, Rock, anything acoustic, Indie, Alternative, Folk, Classical, Avantgarde.

My main system doesn't get used much since I'm at my desk most of the time. It's in a dedicated audio room. (Sony SACD 777ES > First Sound Presence Deluxe Mk II > Plinius SA100 MkIII > Von Schweikert Audio VR4->VR5).

TIA for any suggestions.