That would definitely be an interesting way to go about it without mirroring Quake III's mythological answer, I like it. :D It seems fairly consistent with the way teleports work now too.
And that's definitely the style of TF2! A cloning shower room, the hilarious inventions in that game know no end. XD I'd totally be playing it myself if the initial download size wasn't so massive.
Unreal Tournament 3 has the "Respawners", even explained in-game. There's a limited amount of uses for them, (you know, the "fraglimit") and after that, they worn out. For CTF they use Field Lattice Generators... yeah, FLaGs... And for Warfare, there's the Core.
Ah, didn't know about the Respawners, and the FLaGs go over my head. I need to Google all this stuff tonight, it sounds neat. =P
I really should look into the Unreal Tournament series; still kicking myself for passing up a complete copy of the first game at a thrift shop last month.