It's both Dedicated and MW2 P2P. You have to enable servers in the options menu. The dedicated servers are unranked, but you will have all unlocks from the start (if those server admins allow). We do.
Both . Theres dedicated servers hosted and done off peeps pc or theres the mw2 iwnet thingy.
Ive just been playing it and i dont rate the game at all tbh .. Gfx CRAP ... Game boring as hell .. But thts me, Bo seems loads better . But this is just like mw2 .
Im gutted ive waited all this time for THAT !!!!!!!!!