I have been using 6lb Maxima for dry fly fishing for years. Stuff never breaks and still fits in the eye of the #18 scud hooks I use for little dries. I don't nymph in rivers, but I do bobber fish in lakes a lot and do lots of streamer fishing. I have been using Seaguar Invizix fluorocarbon (10, 12lb) for a number of years and it is fantastic stuff. I am a firm believer is using as heavy a tippet as possible so that you can put tons of pressure on fish to get them in quickly. I don't use a net, but good quality, strong tippet allows to bring fish to hand quickly.