1. Full HD enabled: Mainstream models in the HD DVD players category support full HD and upscaling. They come with an HDMI or a VGA port. 2. Aesthetic & feature upgrades: Most enhancements on the external design center on developing more compact and sleek units. As regards features, companies are building in USB and memory card support, especially in midrange units. Products work with popular formats, including AVI, MPEG, RM, RMVB, MKV, Ogg Vorbis, WMA, JPEG, MP3 and TXT. Some releases feature an Ethernet interface to play online programs.
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