Instruct: Classify Amazon reviews into positive or negative sentiment
Query: well designed & constructed miter saw

I have owned the original LS1220 for several years and have been pleased with the performance. I see Makita has upgraded the blade from a 24 tooth to a 70 tooth blade for smoother cutting. I have been waiting for the orginal Makita blade to wear enough to rationalize getting a nicer blade. My only quibbles so far concern the plastic retractable blade sheath which is flimsy compared to the rest of the saw, and the sawdust collection bag which I quickly replaced with a home made adaptor for my Fein vacuum.