This doesn't really help you since it's out of your price range at about $5K, but my Raven One table sounds best (to me) with no clamp and no mat.
On my previous table, WTT - a clamp was required, so it's nice not to have to use one- even though my Raven did come wth one.
On my previous table, WTT - a clamp was required, so it's nice not to have to use one- even though my Raven did come wth one.