I am on PTR right now and I checked out the Spirit Link Totem and, well, it actually looks pretty cool.
Here it is starting up:
Here it is at its fullest:
The radius actually looks pretty forgiving. 10 yards doesn't seem at all that small once you're in there.
Thoughts?
I have not tried it out yet in a group situation, but will be doing it soon.
EDIT: Just a question, how do you make the screens smaller?
EDIT: Just a note, the green stuff swirls around.