@Mitch,
From a design perspective I know what you mean, thinking the game will massively change/improve in the time between the beta and release is hoping against hope most of the time. That isn't really what I meant however, all the things that I know for certain will be in the release aren't in yet, as I said, 64 man servers, vehicles, etc. The basic feel of the game won't change that drastically so I'm glad its not super annoying or bad or anything already.
As for score, as I said, I played bf2 for 989 hours and only made Colonel, you can't keep up with people who really want to point farm so what is the point? I like conquest better from BF2 so I will probably play it most in Bf3. That said, I might give rush a try more as I found it funner than conquest in BC2... but then again BC2 was shit....

@Trip,
I don't know yet how run and gun it is, definitely its more run and gun than BF2 was in some ways because you can sprint for what feels like ages, on the other hand no one bunny hops, while in BF2 i was customary to jump and spin if you met someone face to face when running around a corner to get some space between you, have not seen that happen in this game yet. But there are certain things like how big of aim penalty you get for transferring back and forth from crouch to prone to standing and the like. As I've said, snipers feel VERY run and gun right now... but all I've seen are the basic ones in more or less close quarter combat. I prefer slower paced always when it comes to FPS, so I'm watching this carefully, but its just too early to tell.