Yeah, if you really liked the way 6700 shifted you probably won't dig 6800. 6800 is easier to move the lever and feels smoother to me. I'm not a fan of Sram though.
I just don't like having all those speeds in the rear. I tend to shift 3 cogs at a time just to get to a different feeling gear inch. Of course, I'm still used to 7 speed freewheels and the like.