I too was expecting issues being a whole new design and all when I got my 05. Only had a couple minor issues under warranty in the beginning, and haven't had anything happen since the warranty ran out. I think Ford does pretty good considering, I'm surprised. I also wouldn't expect too many issues with just adding new power plants either. Everything else should be worked out by now from the 2010 model.
I'd buy a new V6 as soon as I can, but I would have to convince the wife first
Will probably have to let her get a new car too, lol.