Julia Lerman, in her latest article at DevLife, asks the question: What .NET Concepts scare you the most?
What .NET topics have seemed so daunting to you that you have gone out of your way to avoid them?
I have to agree about the delegates and threading. For some reason, I also have a fear of generics, but I haven't done any research into them yet, so that fear may be unfounded.
What concepts scare you?