Xen Community –
There are several social network sites that now have Xen.org community specific locations that you may be interseted in joining. Here is the current list that I am aware of; if you know of another one please add it in the comments section.
Facebook – http://www.facebook.com/home.php#/group.php?gid=7013287727 (Xen Virtualisation)
LinkedIn – http://www.linkedin.com/groups?gid=167190 (Xen Masters)
Ohloh - https://www.ohloh.net/projects/xen (Xen Project)
* I have a Journal up on Ohloh that you can follow if you really want to see what I am up to daily