Well, Mike Pung has been burning the midnight oil for us prospectors and now has a new addition for the top of the Gold Cube.
Instead of the topper, you can put a electric trommel on top of the cube to wash and classify your gravels. It looks like it will work great.
Take a look folks here is the link.
http://www.goldcube.net/?tp=CONTINUE+SH ... 86068Dickb
Boy, I wish I had some money to spare.
Dickb