In time, Aluminum will leave marks in the material in which will be a PITA to remove. If, however, you take good care of it, willing to take the time for "maintenance" on an aluminum top, you should be fine. It does have it's pro's an con's. Do some searching here on the forum. Other members should chime in.
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"Whether active duty, retired, national guard or reserve - is someone who, at one point in their life, wrote a blank check made payable to "The United States of America", for an amount of "up to and including my life". That is HONOR, and there are way too many people in this country who no longer understand it." -Author Unknown