We were talking about this while playing Rainbow Six Vegas online last week... waiting for a 16 man room to fill up contemplating how long it would take for a 60 man room to ever get underway in a reasonable amount of time.
I don't know how popular resistance is but the PDZ devs planned to expand the size of their online rooms once they worked a few bugs out of the net code but dropped it because no one was even playing games at the room limit... Despite the games crappy-ness it was actually REALLY popular online and actually had the most online play on the 360 until Gears came out according to the MGC Live Tracker.
the fact that I had to spend 2 weeks planning out a 16 person Rainbow Six game in order to make that happen is a good testament to the fact that while 60 player games might be a sweet idea, there aren't enough online console gamers to make something like that happen. I think even the Halo franchise would have a tough time pulling it off without throwing skill, language, and connection speed restrictions out the window.
This post has been edited by twistedsymphony: Feb 22 2008, 08:29 PM