Microsoft has release a new Visual Studio Power Tool called “Debugger Canvas” that looks to be a very useful way to debug your apps. Basically, instead of jumping from file to file while stepping through your code in debug mode, it will layout the callstack as method “bubbles” on a single tab, with local variable information available for each bubble:
There’s a really cool video demo on the download page that I would suggest you watch.
As well as this overview blog\announcement by Mary Jo Foley
Which points to this announcement page