My impressions:
- Game feels much slower than Uncharted 2. It's sort of Uncharted 2 x BFBC2 hybrid. I personaly don't like it much and I firmly believe ND should have kept core gameplay mechanic from Uncharted 2 intact. I haven't seen anyone complaining about it.
- Perks are imbalanced. Some are comoletely useless (like the one used to spot player who killed you or to spot power weapons).
- Powerplays are generaly OK, although I dislike them in the same way I dislike catchup in racing games. Curse powerplay is a complete joke and needs to go.
- Weapons have balancing issues as well. AK-47 is completely useless, as is the bolt action sniper and its always on zoom. Pistole needs a huge damage buff, as it does way too little damage.
- Regarding the maps, Airstrip has huge issues in the openning sequences. Attackers usually go down in flames, whether because they accidently suicide or get destroyed while boarding the plane.
- The Castle map is generaly OK, although it's nothing memorable.
- Graphics and especially IQ is a step down from Uncharted 2. I don't know what's the cause of this and is it only caused by usual beta lack of polish, but I remember Uncharted 2 beta looking better than this. I am dissapointed.
- Music is wonderful.
- Facebook conect didn't work for me. I kept pressing Log in (or whatever it says in the FB menu), but it didn't work.
- No crossgame invites and presence data is a dissapointment (although the latter may get fixed I guess).
Overall, I'm not feeling the game. I thought this was going to be simillar to MW1 --> MW2 upgrade - same game, with enhanced gameplay and deeper customization options. Turns out, it's more like KZ2 --> KZ3.