Hi Martin,

re:
> Is there a way to quickly cycle through these planes so I can continue modelling there?

Not currently. I've been thinking that stuff with saved lists of things should probably go into the Scene browser.

It isn't a great time to work on major UI elements right near the end of a beta cycle so probably not until v6.

There is a script you could try here:
http://moi3d.com/forum/index.php?webtag=MOI&msg=7510.1

- Michael