Balance on KOTH maps seems difficult. While I like the idea of moving points, it would slide the map in the favor of maneuverable ships. Sedentary points I think shift the map in favor of heavy ships with heavy guns. I think the best idea might simply be to put a timer on the map, and leaving the points stay where they are. Fast ships would get a bit of an advantage first, being able to get to the points faster and get some points in before the heavies arrive. But once the heavies arrive, they would get the advantage of firepower. Tweak the points to be a smaller area, so that it's not so easy for both ships to camp in a good spot. And you have a recipe for a fairly well balanced game. This may also persuade teams to mix the types of ships up, so that you have a fast ship for early game, and a heavy for mid-late game.