Earthrise

Probably from a lack of understanding and a simplistic view, mine included. Is it conceivable to stream data from a single layer to get a live bw image? So, something that's not simply taking the ...

Heh, that would be good 🙂  I am, perhaps, stretching the realms with the live filters, but I can imagine it's possible to use just the top layer's data and ignore the others to get a live bw ...

Personally I'd only consider buying it if there was an official statement that there would never ever be a Foveon fp, full frame or otherwise.   I like the bw images extracted from a layer of my ...

Yep, true enough. I don't have any figures, but I doubt the GXR was a success, for a start the line was never continued.  Though I have an inkling the GXRm might have broke that pattern.

You mean the K-01? I can see your point. Though Pentax is a brand owned by Ricoh not the other way around. It might risk diffusing their argument on the benefits of DSLRs and optical view finders, ...

A GRIIIm  - a GR with an M mount as per the GXR module.  That would be me sorted :-)