The Rive is definitely not for the faint of heart. It's a crusher, the perfect distance driver for top disc golfers. The combination of superior speed, great glide and predictable overstable flight is what makes it great.
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.