The HF units are barely useable. I've had customers run parts for 24 hours that I thought was a 15-30 minute job. But all my knowledge is in the high grade stuff. These machines have much more power. And some can handle the weight of steel media for burnishing. Sometimes you can pickup a name brand machine on ebay for $1,000. I'll be retiring in 2 months and I'm trying to decide what to take home for my shop after a lifetime of vibratory finisher sales.