While it's not so much a shrinkwrap tool, it's every bit as useful, I recommend getting John Robbins' book "Debugging Applications" It's largely a collection of his excellent Bugslayer MSJ articles, but it's handy to have all in one place. Rebasing your dll's, and using the provided code, you can make your field debugging tasks a *lot* easier.

I 2nd the recommendation on Visual Assist and WorkspaceWhiz. I can't believe how addicting VA is. If you at all like Intellisense, VA is the stuff. They have a demo, and it's worth trying. I use WorkspaceWhiz for the ctags interface, and it's pretty easy to setup, and dirt cheap to boot. ^_^