Duke and heaudio both make good points. But without hijacking this thread I will simply say that there are some folks (including me) that find omnidirectional speakers better mimic the music we prefer in the venues we typically listen live. I listen mostly to acoustic music; jazz, classical and small venue recordings. I don't find that typical unidirectional dynamic drivers do as good a job of reproducing complex music and full dynamic range as do omnis. Different strokes.
But I do agree with Duke's point about good/vs bad rooms: most rooms are not universally bad but are just bad for the specific speaker/design, speaker position, listening position and volume level from which you want to listen.
But I do agree with Duke's point about good/vs bad rooms: most rooms are not universally bad but are just bad for the specific speaker/design, speaker position, listening position and volume level from which you want to listen.