No game breaking killstreaks. Vehicles that anyone can use at any time. A spawn system that doesn't suck (most of the time, base camping doesn't count tbh). Gigantic, expanding maps. Free DLC maps if you bought the game new. I can get all that with Battlefield 2, and more (Commander, more classes, mod tools, etc.). I'm skeptical of it at the moment. The destruction and graphics look great, but nothing else really justifies a $60 purchase for me because I already have BF2.