DotNET Programmer Tools

[EddyCurrent]

This is great for watching events; http://www.codeproject.com/Articles/3317/ControlInspector-monitor-Windows-Forms-events-as-t
This is similar but used in a different way; http://hawkeye.codeplex.com/

Use this to view code in dll's for example; http://ilspy.net/

If you used grep for DOS, this is a Windows version, it allows searcing through a heap of files for the text you are looking for.
http://stefanstools.sourceforge.net/grepWin.html

Excellent C# tutorial videos here; http://channel9.msdn.com/Series/C-Fundamentals-for-Absolute-Beginners/15

Standards http://www.ecma-international.org/publications/standards/Ecma-334.htm

[EddyCurrent]

I've just bought a book and can recommend it wholeheartedly, it has revealed some of the mysteries I've wondered about such as "shallow copy".
For anyone who has used C for example in the past, it will all fall into place, especially when the book describes things in terms of the Stack and Heap.
Microsoft Visual C# Step by Step 8th edition. by John Sharp (why did his name have to be Sharp ?  )

If you want to write C# plugins for CamBam this book is as good as it gets, for me anyway.