This looks interesting...
http://www.onlive.com/service/cloudgaming
http://www.onlive.com/service/cloudgaming
Powerful Gaming Made Easy
* Connect to OnLive with your PC, Mac® or TV and play games instantly
* Games run over the Internet from state-of-the-art OnLive game data centers
* Controller action and game play are relayed up and down the Internet at blindingly fast speeds
* Enjoy instant game play on your PC, Mac® or TV. No high-end hardware required