As a prior Thiel owner, I recommend a large ss amp with a tube preamp. I don't think you'll be content in the long run with an integrated, especially with cs3.7.
As mentioned by mani-2, Pass, Krell, Threshold...also CJ, Belles. Good luck!
As mentioned by mani-2, Pass, Krell, Threshold...also CJ, Belles. Good luck!