Re: Nets: Is there a "best style" ? Like asking for an average size bolt.
Many years ago I also had a few issues getting flies caught in knotless mesh nets, until I went to fishing only with barbless hooks, or at least crushing the barb on any barbed hook. My experience is that if you fish only barbless, the flies never get caught in a nylon mesh net for more than a few seconds and they are really easy to remove.
I do agree that rubber nets tend to have less tangling that other types of nets, but since I hang my net on my back, I really prefer the much lighter weight of a knotless mesh net vs. any of the rubber bags. From a boat is another story - there I much prefer a rubber bag on a boat net.