BitNami Studio alllows you to the create your own virtual machines and cloud images from $50/month.
Pick and choose from an extensive library of software components and operating systems or add your own. A REST-based API and command line tools allow you to create, start and stop images on demand, allowing integration with nightly-build build processes and source control systems.
Ubuntu 10.04 Server Guide Chapter 19 – Virtualisation
Altor’s experience and innovative research has resulted in a powerful software suite capable of monitoring and protecting virtualized environments without negatively impacting performance. A hypervisor-based approach and “X-ray” level knowledge of each virtual machine (VM) through VM Introspection, gives Altor a unique vantage point in the virtualized fabric.
BitNami now provide both VMs based on both OpenSuse and Ubuntu so you now choose between BitNami and JumpBox for your pre-built Ubuntu software appliances and VMs !
BitNami pre-built VM software appliances
JumBox pre-built VM software appliances
If you are considering virtualizing Red Hat workloads you might like to have a look at these Red Hat Enterprise Virtualization Webinars.
Red Hat experts will help you understand business drivers for virtualization, identify major product capabilities, and make comparisons of Red Hat Enterprise Virtualization to other platform alternatives.
Red Hat Cloud Foundations Edition One provides everything needed to help you plan, build, and manage a private cloud today. Red Hat delivers the most complete and comprehensive cloud solutions in the market, with the flexibility that comes only from the open source leader. Red Hat’s cloud vision is unlike that of any other IT vendor.
Red Hat RHEL Virtualisation 2.2 is now available at http://www.redhat.com/virtualization/rhev/
The AWS Management Console now provides a simple and intuitive web interface for managing your Amazon S3 resources.