Yup, I forgot to mention that but the debugger stinks and the stack traces provided out of the box are completely worthless. You have to add some exception handling in your app delegate to get even a remotely decent stack trace, and it's still not that great.

I've never had problem with the inspector but I have to agree the stack trace is HORRIBLE. Almost unusable.

Microsofts IDE (the .net one from six years ago) had awesome debugging tools.

Definitely agree. Even VS 6 had much better debugging. As you said, the stack trace is useless in XCode 4.x

The Leaks inspector is also way off sometimes. I spent a couple of hours hunting for a leak that was nowhere near what it was pointing to.

In the breakpoints section in the left sidebar click the little plus button at the bottom then place a breakpoint on all exceptions. Works for me every time but ymmv.