After going through a couple of Craftsman 4 X 36 sanders (bushings in the front roller kept failing) I recently purchased a 6 X 48 from Harbor Freight. Since it had no dust collection, I made a collector and mounted an old vacuum cleaner underneath and wired it up to come on when the sander was turned on. I've used it for several months now and have had zero problems. Total cost was about $180 and that 6 X 48 is great! I still am using one of the little Craftsmans for the final grit. I reworked the front roller, replacing the bushings with sealed bearings set in JB Weld. Laugh if you want to, but she's a sweet little sander, now!