I wish you good luck convincing the big guns. "Pragmatism" is an insult in this list.It will be good enough if you convince them to put the needed windows binaries in SVN. But even that is far from sure.
We can do patch, source and binary of external programs. They are in an increasing order of easy to build lyx binary, but decreasing order of keeping track of what *we* have done to the sources. My suggestion? patches and binaries. We have the best of both ends. Bo