Just finished writing this tutorial with the aim to provide an overview of the various ways to debug code using the Visual LISP Editor. I've tried to incorporate many facilities of the VLIDE into the tutorial, so excuse me if it seems a tad drawn out in places.
Of course, comments for improvements are welcome, along with the discovery of any typos & mistakes (there are bound to be some!)
http://lee-mac.com/debugvlide.html
Enjoy,
Lee