Nick, the 370, with Audyssey MultEq XT would be an excellent choice. The factory refurb 370(which should be at least as reliable as a brand new unit)has been available from A4L for about $430, but is temporarily sold out. It should be back in stock pretty soon, but the best buy at this time would appear to be the 709 which Tom linked.

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Enjoy the music, not the equipment.