http://store.steampowered.com/app/1800/ Beta is running right now, but I think it's still limited to those who received a key. Maybe they will open the beta up to all right before release.
I might hit it up. I think the PBC guys are going to swap to it for a while and bench BF3 for a bit to take a break. BF3 might have been the last FPS game I buy for a while. Kinda burning out on the whole hacker scene and multiplayer stuff. Coop is where it's at, imo. And I picked up Skyrim back around New Year's for $40 on sale. So that will keep me happy and pacified for the near & foreseeable future.
I hope I can try out the beta to see if my computer can handle it. I tried the BF3 beta and was able to barely play. Settings as low as they would go and I still had artifacts on the screen. If I was sniping and zoomed in sometimes the scope overlay would disappear. Otherwise I'm stuck with BFBC2 or going back to DoD:S and CS:S.