J, if the 705 is also within your budget, keep in mind that it has the more advanced Audyssey MultEQ equalization, while the 605 has the 2EQ. MultEQ allows for more measurement positions and equalizes the sub, both of which can lead to a more satisfactory result, especially in the bass area. While there have been some negative reports, those users who have carefully followed the suggestions by Audyssey which have appeared on the internet have been generally positive.

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Enjoy the music, not the equipment.