I got my 650 back in the early 90's (with casefeeder) like others here. She always ran like a champ. At least that's what I thought until I added some upgrades! I thought the bullet tray, strong mount, and aluminum handle were all eye candy, and the shell plate bearing just a gimmick. Boy was I wrong! They all make a considerable difference when loading. I already had a great steel bench that never moved, but the strong mount puts the machine at the right height and the handle makes the job effortless. The bullet tray is perfectly positioned to conserve motion, and keeps your eyes on the cases double checking powder drops. The bearing does keep the shell plate moving smoothly and keeps the powder in the cases as advertised. I think the best description for all these add ons is "tight and smooth." I got the bearing kits (ordered 2 just to have an extra) from McMaster-Carr (there is a thread here) for only a couple bucks, and the rest came from right here on Brian's Dillon page. I highly recommend all options. Look out Mr. Bullet Feeder, your next!