Height can very a little. Depth is fairly consistent at 27". Width varies depending on the wings/extensions. The underpinnings, motor power, and weight all vary a bit, but there are a lot of similarities in the abilities, strengths and weaknesses in general. With a good fence, good tuneup, and a good blade, they're all fairly capable of excellent hobby work.
Most of the traditional contractor saws with an outboard motor will either look like this underneath:
Or like this:
The more modern hybrid saws have similar dimensions, and power, but move the motor inside the enclosure for better dust collection, shorter drive belt, smaller overall footpring, etc.
Last edited by knotscott; 03-06-2013 at 09:33 PM.