With the Ballista you can get the best of two worlds, high speed and laser-like accuracy. While not a premiere disc to use for a beginner, it's a disc that every experienced player with some arm speed should try out.
Latitude 64 is a popular Swedish manufacturer from the small mountain of Skelleftea near the Arctic Circle and they get their name from the proximity to it. (The Arctic Circle is at 66 degrees latitude and Skelleftea is at 64 degrees latitude.)
They offer a full line of discs that appeal to both the newbiest of new players and the most ardent professionals.