otinkyad, I've had my F228BE's about 3 months now and had F206 before. They sound amazing, much better deeper bass, much better highs. Just plain better all the way around.
I have mine in a 12 x 13 room about 16 inches out from wall and 20 from sides. I have good acoustic treatments in corners, first reflections and OmegaWood absorbsion/diffusers on listening wall behind sofa. These may help but I rarely get room nodes that are noticeable. I would like to take out front wall and move back 2 feet to give about 24-30 inches and away from me another foot or so, but all in all sounds very good.