OnLive, a service that allows you to enjoy games last batch without installing in your computer will need a browser only client and OnLive to enjoy the experience much more quickly and directly.
service was available for Windows, but a user has managed to do run on Linux through Wine , and OnLiveInformer explain the whole process to achieve it.
The procedure is explained step by step for Ubuntu 11.04 and Wine 1.3.27
So now you can prove OnLive in the absence of an official client for Linux, which apparently is in development. Enjoy it