I think halo is a fair game for the 360 to have as a main game that eliminates multiple people. If you consider yourself a well rounded gamer, yet you haven't played halo3, then you aren't a well rounded gamer (considering that you have a 360). For the finale, i hope they make them play a brand new game that hasn't come out yet, or make them play an old school game like Super Mario.
i would consider myself a 'well rounded gamer' as you put it, lots of experience on PCs and consoles
i played halo3 for 2 days and then traded it in. what a pile of shit