Thomas, I have had experience with Gamuts, Dlugolecki's, and Pirastro Carlos Henriquez Chorda's. I used to use the C.H. Chorda's, but I have switched to the original Chorda's, as they work a bit better for me. The Chorda's are my string of choice for the time being. They have a super round sound, and they move a lot of air. They don't have as much upper register singiness as the Gamut's, and they are not as even throughout all the registers. But, they sound the most 3 dimensional of the three sets.
I have the least time with Dlugolecki's strings, but I'm saving up to try another set, know that I know just what I'm looking for. Of all of them, the Gamut's are my least favorite. They are clearly nice and well made, but they lack are certain something for me and my sound. They just don't sound old school enough for my tastes. It seems that most the people that dig them are looking for a different sound than I am.
So, while the Chorda's might not be the most versatile of 3 fancy sets, I think they sound the best. And, in my experience, their wound strings (E and A) are the toughest of the bunch. I am a tad heavy handed, and the Chorda's hold up to much abuse.
I hope this made sense. I'm not super articulate, but there might be a few cogent ideas in there. I hope I don't get in trouble for this. It's a freakin' Gamut love-fest in these forums, and I'm sure the string mafioso are reading this.