i am pretty sure it has been said before but i am not for sure. but can there be like a thing in the raid icon that says how many people there are and when it refreshes it will tell you if someone else has joined.
A notification of when guild power is higher than boss power would be more useful than a player count. 
Quote from Maddox
A notification of when guild power is higher than boss power would be more useful than a player count.
well that would be better
Interesting 
Invisible War ][