The Discraft Nebula has a simlar flight to a Buzzz OS however has a slight dome which allows it to have more glide. It is still similar in the hand to the feel of a buzzz.
The Discraft Nebula was the Ace Race disc for 2008. It is an overstable midrange that is now only available in this limited edition Elite Z run. In a lot of ways, the Nebula was the first Buzzz OS, as it is a very dependable overstable midrange that will hold strong in the wind.