I have had several models from each brand listed and many more to boot. I have changed over from Thiel CS-3.6 with Krell mono's to 25 watt tube mono's from ASL and the JMLabs Cobalt 806S with their SW-800S sub. At the price point of the Signature models (806s & SW800s) there is no way I could justify spending the large cash upcharge for the Electra line to beat the sound I am getting. I listen to mostly jazz and classical, very closely as I am a trumpet player and the tonal balance is as correct as my old friends the CS-3.6's from Thiel. The big advantage to the monitors and sub combo is placement. The Cobalt 806s monitors disappear when set up right with a much greater ease than the Thiels did. The SW-800s is dialed in at a low 55 hertz with not much gain and makes a seemless transistion for the last octave without mudding up the lower end of the 806s monitors. Focal drivers just seem to get the timbre and tone right, not to mention their P.R.A.T. due to excellent crossover design.
I was able to buy both the Cobalt 806S and SW-800S for less than $2,000 and have not heard a better combo until I reached the Electra 946 which is 4x's the price