So onlive's free trial went completely free today, which means you don't need a credit card to use it, and all you need is just a account and your golden!
So, what's onlive? It's a streaming service where you basically stream a live feed of a game onto your screen, only you actually get to CONTROL the game, using the service, therefore you do NOT need a top-of-the-line rig to play all the new games.
Here are the requirements:
A Above-high speed internet connection to stream laggy and low quality video.
A pixel shader 2.3 compliant video card with 256 MB of video ram.
Being a resident of the united states.
A credit card to take advantage of the free trial
Being fit to endure constant connection drops with Onlives sub-par servers
Being able to deal with Onlive's technical support
As you can see, the requirements to stream a game are so low, even a laptop can run it!
In fact, the requirements are SO awesome, that if you can run onlive, you can actually run Crysis too!
So, now that you know what it is and what the requirements are, go get it!
You will need a credit card for the free trial, though.