Not sure, but I remember selecting some options on sign up, but I wasn't really paying too much attention and can't fully recall. Maybe they no longer give the same options ? ??? :shrug:
There's different pricing levels depending on resolution and number of devices I think - can't fully remember - but I pay £8 per month for the entertainment pack - which means I get the sky atlantic stuff like Game of Thrones. The sport pack I think is the same price, as is a movie pack...