I have been using this line made by Sufix for a while now. It's a co-polymer line. It mimics mono but is way superior in strength and breaking resistance.
The other night in the middle of a hard S wind, as I was throwing into that wind, I developed the mother of all wind knots. I decided to take the braid off and re-spool with the Tritanium.
Man was I glad I did. I put it on my Tsunami 9' airwave, my primary fall plugging stick.
I'm using 20# test and couldn't be happier. Some friends were using the 17# test last year when they were getting 30's during the spring and fall runs in urban areas, and had no problem getting the fish in.
It's great line and I give it high marks for abrasion resistance, strength, and casting ease.
If someone has had some negative experience with it so far, I would like to hear those comments as well. As for me, I can't find anything negative to say about it, I love this line!