Hey everyone, here is an interesting article about Domel and Ametek motors, and it could make for some interesting discussion. Of course, the motor is only one of many things to consider when purchasing a vacuum, and Ametek seems to dominate the motor market at this point, but this article seems to favor the Domel motors, wondering what everyone else thinks.
http://www.thinkvacuums.com/motors_popup.htm
http://www.thinkvacuums.com/motors_popup.htm