WebKit Related Links
The WebKit Open Source Project - Homepage of WebKit.
Apple WebKit Objective-C Programming Guide - Not entirely relevant to the Win32 WebKit ports but useful for getting an overview of how WebKit works.
We Have The Construction - The blog of Brent Fulgham, one of the lead developers of the Cairo Windows port of WebKit. Includes info on the project's progress and download links.
Other Links
MSDN Library - The essential reference for everything Win32 and .NET.