Read what you posted and the answer is simple.

1. Looks (real wood) are not important
2. The M60s, because of the better bass extension and flatter frequency response, will sound better.

I will bet that the off axis response for the M60 is better as well.

you can always try auditioning both.
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Fred

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Blujays1: Spending Fred's money one bottle at a time, no two... Oh crap!