In our group we don't really follow Adventure Paths, we make our own stories and such.
in our game we have noticed that the feats and the spells seem to be a little lacking luster. we love the Action economy and the T.E.M.L. system but unless you are a Melee character or super heavy role-player type player i don't think it has left a good taste in our mouths.
We will more then likely keep up with the updates and check it out when it comes out but how things are i don't see us continuing with this system build.