Apple TV may not be the all-singing assault on the television market as envisioned by the late Steve Jobs, but far from treating it like the “hobby” as once described by CEO Tim Cook, the Cupertino company is pressing ahead with updates. Today, Apple TV software 5.3 has been released for the second and third generation iterations of the little black set-top box, and now, users will be able to catch content from HBO and ESPN right from the Apple TV, negating the need for any kind of direct cable subscription. Details after the break!