700.00 speakers new or used

LRS for sure or used .7's etc but keep in mind
to get the most out of them you need to have the correct amp to drive them

Dhalquist DQ-20sDCM Timewindows 1a or 3Techniques SB7000aI really love my Martin Logan Aerius set, but you would need a sub, I think...I'm buying the next set of sb7000a's that I see. Tough to make room for those.
In my experience.

old spendors vandys dcm time windows even

ProAc Studio Two

I'm driving those used Maggie 1.6's with this SoundArtist SA-200IA.

https://www.amazon.com/gp/product/B0816PV7TS/

It seems to work fine but I don't know anything about amps but the guy at The Next Best Thing seemed to like them and the price is right.  He thought they would be good with the LRS.  Might get them a little cheaper from Aliexpress or China HiFi Audio.  I also added in an old Velodyne CHT-10 subwoofer I had lying around on a very low setting.  It adds just a little bit of punch to the Maggies.  It is too rumbly to crank it up much since I believe it was more of a home theater subwoofer.