You know, if we stick together on this and keep throwing digital life rings to each other, we may actually get this thing to work! :-) I'm betting, as Steve said, when the new Fixer comes out for DX-10 a lot of this will go away and we'll be able to use this more smoothly. But in the meantime it is fun (sort of) learning about it.
At RTMM, I'm still going to slowly go through our scenery files and try to get rid of the old objects with textures that don't show and replace them with newer ones that do, just replacing a picnic table for a picnic table ... DX-9 folks won't notice a difference (unless they are really attached to a picnic table or like the 2-sided outhouse with orange paint)! So when the "fixer" does come out, we won't have any strays that wouldn't even work with that.
When I "redid" Big Falls Hydro (I still have a missing cabin there to fix) ... the rocks were totally invisible. They didn't show the DX-10 "missing blue" texture. They acted like the "Predator" in the movie ... if you moved them, the background moved letting you know they were there. I tried the "black" fix, it still doesn't go after those 'invisible' objects. Not a problem, but something to keep an eye on as you cannot see them ... you have to rely on the "list" in Instant Scenery to find all of them.
So, one step forward (I think ... we will see what "breaks" today that will keep me up tonight!)