Ok guys, last time I checked there were no tutorials on VDMX around. Well, I worked my way through VDMX, took my time and wrote one. Check it out:
http://aienn.com/2007/04/vdmx-tutorial/
I'll be glad to hear from you —corrections, suggestions etc. And if it will help someone — well, good.
Note to developers: while I was building the tutorial, VDMX started crashing on every quit and it's still crashing (though I'm working with a different set now). Please have a look at the end of my tutorial, there are set files (rather small) you might want to download and see for yourself. And of course I could send you an automated report of what is happening here.