Right now I am looking at putting a Highbanker together..... Considering what your getting for your money I dont think the Goldwell is overpriced at all. I like the hoppers from some of the other manufacturers better though. Will a Keene, Proline or Jobe hopper fit on the Goldwell Sluice?
I think you are referring to a 'power sluice' hopper. I think generally speaking a power sluice configuration with wash bars, etc., in the feed hopper is considered a power sluice, at least that's what I see them called most frequently on the internet. We will be releasing a large hopper type feeder for the 12" sluice at some point in the future. I think the 6" is a bit too small to justify a power sluice setup for it, although it does process material much faster than standard sluices. Perhaps a flare that will widen the highbanker would fit the need?