Try Ubuntu 10.10 Server in Amazon EC2, entirely on their dime!
You read that right, Canonical will pay for you to experience the ease of Ubuntu Server on Amazon EC2 for an hour (well, approximately 55 minutes).
They will take care of the registration, and setup and even give you some pre-configured applications to choose from (such as Wordpress and MoinMoin).
They are that keen for you to see it for yourself.
What do you need to do? >> https://10.cloud.ubuntu.com/