Integrated amp upgrade


I'm using a Classé Audio CAP-151 to drive my Thiel CS 3.7s at the moment.
I'm not sure if i should upgrade, anyway if i do so i'm looking for a used integrated amp in the $2K to $3K price range with balanced inputs.
I've seen a Sugden IA4 for $3K and a Musical Fidelity KW 550 for $2,4K but it's not balanced.
If i upgrade it would have to be really worth it otherwise i'd rather keep my CAP-151.
I have someone who would like to buy my CAP-151 for $1,6K.

thieliste
Consider an integrated from Wyred4Sound. Built in the USA, has the balanced inputs and sound great. I bought one to drive my current hungry Maggie .7's with great results. Replaced the highly regarded Parasound Halo(nice amp) and to my ears was an improvement...
If you were intent on getting an integrated amp, there's this ModWright which puts out 200 watts into 8 ohms and 400 into 4 ohms. Always a good sign when an amp can double up its power output when its impedance halves:
https://www.audiogon.com/listings/solid-state-modwright-kwi-200-integrated-2017-01-26-integrateds-98...
paraneer there is nothing wrong with my Classe except that i might add a pair of Thiel CS 7.2s to my Thiel collection.
Well now.  That's changes everything.  Your getting lots of good suggestions.
I've had both classe integrated and separates. Still own a cap-101 that I used in my living room that I'm selling. Classe integrateds are nice. I sold my classe separates for my dedicated audio room and went to a Hegel H300 and love it. Much better than the classe cap-101/151 and it includes an internal dac that is comparable or better than the Hegel you have now. If you want to keep your dac, you can use the dac-loop feature of the Hegel h300/360 with your external dac. If you can get $1.6k then I would sell it and that's 1/2 the price of a used Hegel h300
Thanks guys, the thing is that i have to determine if i do a little amp upgrade now or wait until i get the budget to build my ambitious high end system with my Thiels.
End of february i should get a home autidion of a full Ypsilon  system.