VMWare Server 2.0 is now available for GNU/Linux (and another OS’s SBS, 2000, 2003 or 2008 “Server” editions only !)
WorkHabit Elastic2 is a new automatically scaling cloud-based hosting service that uses Amazon EC2 to allow you to scale Drupal to serve millions of users and billions of pages.
Parallels Server BETA is a bare metal cross-platform hypervisor virtualization solution that can be installed on most Intel-based computers with Intel VT-x or AMD-V hardware virtualization support that have
Mac OS X, Windoz, GNU/Linux, or no primary operating system installed.
The AWS Management Console gives you a quick, global picture of your cloud computing environment so that you can see what resources you’re operating and conveniently manage those resources. The initial release of the AWS Management Console provides a graphical user interface for Amazon EC2.
There even a AWS GUI video tutorial you can watch