FXX doesn't premier until early next month. It is in HD and will be in the AT120 package.
On Monday, September 2, FX Networks will launch FXX, a new network aimed at young adult viewers, it was announced today. With the addition of FXX, FX Networks will become a suite of three networks consisting of FX, FXX and FXM.
FXX will be available in 74 million homes in year one, making it one of the most widely distributed entertainment networks ever for an ad-supported cable network in its inaugural year. FXX initially will be built on a foundation of original comedy series, movies and acquired series, and expand to include original drama series, all primarily designed to attract young adults 18-34.