Recently Anggie Bratadinata has posted Light3D Explorer on Away3D mailing list which, to quote Peter Kapelyan, does very good job in demonstrating concepts that are just too hard to explain in words. So, to provide similar service to our users, we have converted light explorer to Sandy:
I hope you’ll find it useful.
P.S.: meanwhile, we have done some work to speed up smooth lighting in coming 3.0.3, so keep an eye on release annoncements ;)