the "100" series , are they all "homeowner" saws? (137, 141.... )
the "200" series, a step up ?
the "300" series, pro saws ? (385, 394, 395, 3120... )
the "400" series, "big box" saws ? (435, 440, 445, 455... )
the "500" series, ??? pro again ?
sorry still a newbie...