Products.PDBDebugMode Egg
Just a quick heads up that I've eggified Products.PDBDebugMode so it's a lot easier to use in buildouts. It can be as simple as:
[buildout] eggs = ... Products.PDBDebugMode
If you want some isolation, then you can use zc.recipe.egg in a separate part:
[instance] ... eggs = ... Products.PDBDebugMode
Update: Simplified per Martin's comment.