I finally caved and bought Win4IcomSuite to use with my 7300. I played out the 30-day trial long ago, after waffling for ages about whether or not to buy it. I recently discovered the latest version includes a feature for the waterfall that I didn’t have available during my trial, and it pushed me over the edge to buy it for my set up.
I made a video demoing the software, and here is is: