It plays like Bang! Laggy for me, sadly. I can't even get out of the tutorial without it locking up on me. Turns out the game has some serious memory leaks in it, and it sucks down my 512MB like it was one of those little "Mini Sip" drinks. Probably won't be able to play for a while, but that's the nature of beta and I accept that. I can wait a while and watch the bugsquashing.
But I'll really wanna play soon, cause I made the cowboy with the bestest name ever: