Braided fishing lines are tough, strong and limp. They excel in some fishing situations and are the best choice for others. Braids should be used for their good qualities when appropriate.
Power Pro is a popular braid that works well in a wide varitey of fishing applications. It comes in a wide range of tests and last a long time.
Spidewire was one of the first braids and is still one of the most popular. It holds up well and workd for a lot of different kinds of fishing.
Dacron braid was used for many years as the main line in big game fishing. Now it is used mostly for backing on fly reels. It can be used as a main line still.