I installed Sawyers mod lastnight as the last one to add, and I played about 4 hours or so. And it just got a bit choppy at timies when travelling through the mojave. I'm thinking its AWOP though, as i've used sawyers mod before and didn't really have problems with it. My PC is fairly new and should be good, I don't know the specs off hand, but its should be better then average.
Anyways, just curious to what steps you take to have better game performance. Thanks