Although the XD and XDS support 1080p playback, the menus and most of the channels are still 720p, regardless of how you've set the display preferences -- they only output 1080p when you play 1080p media.

ENGADGET: Roku XDS review

The Micro 9 is designed more to be set up to your household preferences with a much smaller joystick driven display.

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As far as we can tell it doesn't have any TiVo-like technology for divining your tastes, though it does allow an extensive list of preferences and apparently has a range of search and display functions to help you keep track of all that's in there (which with a 400GB drive could be up to 67 hours even at the highest quality).

ENGADGET: Hitachi's 400GB hard disk video recorder