This @ Engadget looks quite interesting. At the moment it obviously is kind of lacking content (I can't think of that many games on the playstore that would take advantage of it) however with a large amount of high quality games with controller support being made for the
OUYA this could team up pretty well.
At home on your TV playing games on your OUYA and then heading out so load up the exact same game on your portable and continue where you left off.... with both devices on the cheaper side ($99 for OUYA) and announced sub £150 for the Archos it has potential