I don't think there are technical limitations holding this back. You can already get the necessary low-latency video encoding as open-source software, even: htt

I don't think there are technical limitations holding this back. You can already get the necessary low-latency video encoding as open-source software, even: http://x264dev.multimedia.cx/?p=249 http://x264dev.multimedia.cx/?p=249 Gaikai seems to have pretty good business model to make it happen, too - better than OnLive anyway.