this may have been posted (i skimmed really fast)
With a student email (.edu) you can get home or prof for 30$ http://win741.com/
it would not be hard to check if the entire team is in a certain area with sourcemod
EDIT: If you need some help with the SM coding part, don't...
slight error though
what about just having a telelporter go into the 3d skybox and make a theater room with the skybox as the screen?
Separate names with a comma.