I think the multi-player is better experience. Though only had it one day.
Normally I would have lag, but I am thinking because of dedicated servers, that is helping multi-player.
Only played ghosts so far, enjoying it

---------- Post added at 14:07 ---------- Previous post was at 14:05 ----------
Oh, not connected my sky box (because of the issues) and ignored the kinnect (didn't see it serving any purpose for now, though saying "xbox, use a code" was interesting, as was using the picture code)