We've pushed out new RC (Release Candidates) builds for part 1 of the upcoming TurnKey Linux 11.0 release and we need your help testing them! See the appliance pages for download links.
The current crop of release candidates only include Ubuntu Lucid based ISO images for now. Debian Lenny based images will follow, as will builds specially optimized for the the full range of supported virtualization and hosting platforms (e.g., VM build, EC2 AMIs, ESX4, Xen, Eucalyptus, etc.).