Nilbog and Secrets made this ages ago and it was used in a GM event:
http://www.youtube.com/watch?v=6CfbWwnkCOc
How cool would it be to have this done... except with Red Server vs Blue Server in a PvP CTF match?
I'd love to see something like TMO/FE vs Nihilium/Red Dawn. Would settle the debate once and for all.