I have the Dadonator and have been using it in my shop for some time
now. This thing is a bunch better than anything I have ever used. It
is dead-on accurate, makes VERY square-sided, flat (almost polished)
bottomed dados and doesn't cost a ton, about $180 the last time I
I have a review of the Dadonator at the link below with photos and a
link to the manufacturer, Infinity Tools.