Ubuntu – How to tell if I am running Wayland

According to http://mmol-6453.livejournal.com/253081.html network transparency is on the list of things to do, it's just on the bottom of that list. If what is said there is true, we will eventually be able to connect graphically to another machine and run applications, but not immediately, and probably BEFORE X is dropped. I hope this is true, because like others here, I consider this to be a prime advantage to an X based system than others, such as Windows.

Answers to your questions are found here: https://wiki.ubuntu.com/Wayland

Long story short, it's not decided when they will switch to Wayland as default, packages are already available for Natty though.