Thiels are a double edged sword. They will reveal any flaws in the equipment upstream. Any minor change(s) in the system with Thiels can yield significant results (good or bad). However, if you spend the time with proper speaker placement you will be richly rewarded. If you get to much side wall reflection then a little toe-in will be beneficial. If you have plenty of space between the speakers and the wall then the Thiels generally sound best without any toe-in.
I would also follow the suggestions above to look for a another cdp. I had some of the more expensive Sony's with my Thiels and it was simular to what you are experiencing. The Modwright would bring some warmth to your system. Or a tube pre amp. It is more expensive to add warmth to your system this way than with cables but you will have much better results. I use a Pass amp but others have had great success with Classe and Mac.
I agree with the above posts that it would be a step backward to dump the CS6 for VR4 JR.
I would also follow the suggestions above to look for a another cdp. I had some of the more expensive Sony's with my Thiels and it was simular to what you are experiencing. The Modwright would bring some warmth to your system. Or a tube pre amp. It is more expensive to add warmth to your system this way than with cables but you will have much better results. I use a Pass amp but others have had great success with Classe and Mac.
I agree with the above posts that it would be a step backward to dump the CS6 for VR4 JR.