In my case, I had picked up my machine before I found this board so I had gone with the recommendation of a local store - the machine I've got is Sailrite's LS-1 Ultrafeed. A little bigger than a home machine, a lot heavier duty, and easy to stow away in a closet when not in use. So far, anything I've stuck under the foot (it's a walking foot, but not compound feed) has not slowed it down - 2 pieces of 4 oz leather (with a standard needle as an experiment), 10 layers of heavy vinyl/canvas, vinyl & sewfoam, etc. Haven't tried plywood yet but I'd imagine it wouldn't even notice.
You can see it behind the shifter boot I made for a friend of mine (black marine vinyl with #92 blue poly thread). This is just after I added the 7 lb balance wheel with handcrank upgrade (vs the original plastic wheel).