Thiel 2.3 Proceed gear speaker and interconnects

I cuurently have a setup including Thiel 2.3's and MCS1 with a Proceed HPA2 and 3 and AVP. I demoed some cables a while ago which included Cardas and Nordost. At the time I felt that the Nordost Blue Heaven and Red Dawn produced a much less colored sound than the Cardas cables. I then went to install Blue Heaven speaker cables and Red Dawn interconnects. For a long time I have had this setup and more and more the lstening fatigue is growing because everything is quite edgy and to many they would assume this.

I want to try some new cables, bt would like some direction to recommended pairings from Audioquest and Cardas as well as others that will warm things up and bring back listening enjoyment.