Fedora 17 Virtualization Test Day!
Fedora is planning a number of test days as part of their release cycle, including a Virtualization Test Day on April 12th (this Thursday).
Information about the virtualization test day can be found here. We will have some people hanging out on IRC at #fedora-test-day and you can also get in touch with us via the usual channels.
We have some Xen-specific information here.