Halo 2 is my fave all-platform game,
Havent played H2 much myself, but I have stepped in on a few MP games and the like, and seen SP played a bit, and i have one thing to say: The cutscenes -suck-. Items were popping in and out of the very center of the screen at random, and two of the worst cases were where the Chief is coasting through space with the Covenant bomb, Covey' drop-pods, or whatever, simply appear and dissapear.
Second big cutscene mistake was in the intro to I believe New Mambosa, two snipers advise that it is a hot LZ and to abort the mission. Except when they start talking, they arent there, it's just a bit of blank concrete, and finally about a second into the animation, they pop up.
First impressions just from watching: Very dissapointed, this is what Bungie gets for working under Microsuck, they get pushed so hard to make something, and these ugly, glaring accidents show up and detract from the game.
Though if or when it comes out for the Mac i will surely buy it. Just because.