I've tried the previews in xforms and LyX becomes pretty slow when images are loading. I've changed the LoaderQueue clock to come back every .5 secs intead of .1 secs, and to load 5 images at a time instead of 10. Is the xforms graphics loader so much slower? Maybe the graphics loading priority can be a lyxrc variable?... otherwise don't know how to adjust it to different machines/frontends/user preferences. I don't even have large documents to test (I write small :). What do you people think?
Alfredo