Today redhat rolled out a new mailing list for discussions around the new libguestfs project. This project is just one in redhat's suite of projects surrounding virtualization. The libguestfs is a very recent project and its focus is on tools for managing virtual guest filesystems which opens up all kinds of possibilities. If you're interested in following discussions and development around this project, you should subscribe at the following website.

http://www.redhat.com/mailman/listinfo/libguestfs