Ken, regardless of what you're hearing, Audyssey has no capacity to add reverb. Even DPLII and the other ambience extraction modes(e.g., Neo:6, Logic 7)don't "add" reverb, but just send what's already mixed into the front channels to the surrounds. Keep experimenting, you'll get it.

One point I'll mention is that the microphone positions aren't supposed to be spread around the room, but are to be clustered around the listening position. Mine are 1-2' apart.

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Enjoy the music, not the equipment.