i think this one has great potential for media station computers.
i've always wanted to get rid of my xbox, but there's nothing out there that are close to the performance of XBMC yet (replacing one of the controllers with a remote control, and setting XBMC as its dashboard, i use it exclusively for media. it beats xbox360, AppleTV and all other media stations hands down)
when i first saw the MX Air, this thought immediately came to my mind: "now i can plug a computer to my TV, and connect it to my LAN network, and play music/movies while leaning back on my comfortable sofa"
the computer could be a old computer, or a cheap laptop, or a Apple Mini.
the OS could be Windows or OSX, doesn't matter
the media player could be anything, but probably VLC and iTunes.
the interface is of course not as nice as with XBMC, but is decent enough (just like when watch movies on my laptop)
============
doing a little research, i learnt that the MX Air needs a controling software to be effective. otherwise its media buttons are useless and it can be used at best as a pointer that has left and right clicks.
i don't know if VLC can integrate it like with the apple remote control, but if it can, it'll be totally beyond cool.