Yup, those guys said it. I'll only add that little changes can make huge differences...if you've not yet played with toe-in, separation, wall clearance, etc. you'll enjoy the differences these things can make.
Speaker positioning toe and tilt
How does tilting a speaker effect the soundstage and bass response? Also, how does toeing a speaker in directly towards me effect bass as a result of a rear firing port now reflecting closer to the back corner of the room?