Been waiting for a plugin like this for a long time now.
Something that makes use of the memcached back-end I have running on all my servers and my clients' servers as well!
This is incredible -- the speed difference is like night and day!
WP-Super Cache has nothing on this plugin!
Thanks for this Peter, don't let people who aren't aware of how to use the plugin deter you from working on it -- you built a kick-ass plugin!