Right now Gaikai is enjoying an open beta period with testers sampling EA and BioWare's Mass Effect 2 over the service. It will compete with OnLive.
"I am very impressed with what Gaikai is doing to transform the experience of how we access interactive entertainment and I am looking forward to being part of such an innovative team," said the new Gaikai executive Nanea Reeves.
Gaikai intends to use no external hardware unlike OnLive which retails its MicroConsole unit soon for use wth TVs. They're both cloud streaming platforms which have powerful servers running videogames for you, streaming the content to your home.