Your welcome, it runs pretty smoothly some occasional horizontal line glitches though. It is a beta and i'm using the bf3 preview driver so i'm sure that will be ironed out by release. Minimums were very good even in the smokey areas 

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It seems to be the highest Hz at the appropriate resolution for most players. BC2 was the same. I'm not sure why. When you look in the config files for both games, it's actually put down as 59.999987hz. Maybe somebody more display-minded can explain why for us?
I've found that the best AA-to-performance ratio is to leave MSAA completely alone and just set Post AA to high. It eliminates all the aliasing really well. I'm still not sure what the actual difference is yet. I think MSAA is what is is, but Post AA uses FXAA. If you enable MSAA, it will override Post AA which won't actually do anything so you should leave either one completely off. This is completely anecdotal mind you.
I've found that the best AA-to-performance ratio is to leave MSAA completely alone and just set Post AA to high. It eliminates all the aliasing really well. I'm still not sure what the actual difference is yet. I think MSAA is what is is, but Post AA uses FXAA. If you enable MSAA, it will override Post AA which won't actually do anything so you should leave either one completely off. This is completely anecdotal mind you.
I've done some more testing, the average is 40-45 in 5 min benchmarks in random phases of the Metro Rush map. Minimums are around 30 fps (doesn't go lower than that) and max are around 50-55 fps.
Quite happy with the performance since it's on the edge of being barely playable.
What settings and res are you running?