I actually wanted to convert DVD to Apple TV, Roku and KDLinks with best settings. So I downloaded DVDAid. After asking official support I got to know those devices support different formats. M4V for Apple TV compatible, MKV to play on my Roku and a straight folder rip (or you call it full disc copy) that I play on a KDLinks media player. Basically you can do one conversion in MP4 as it's widely supported on most deices. The .mkv is obviously better quality and I like the Roku and its interface better than Apple TV.