CineXPlayerHD is a jack-of-all-trades iPad app (US$3.99) that can play just about any video format you throw at it. This latest version, 3.0, adds playback of the popular MKV format on the iPad 2 and above.
The app supports 720P HD playback, and also Dolby Digital Plus with support for 5.1 channels, and Dolby Mobile for surround on Dolby-equipped headphones. Within the app there's a way to catalog your movie collection, and to create playlists.
Movies can be loaded through iTunes or they c
