C# Optimizing overload of object.Equals and operator ==

http://blogs.msdn.com/santoshz/archive/2004/06/01/145542.aspx

Hiring is obsolete

Very interesting paper about the economics (or the meaning!?) of startup.

http://www.paulgraham.com/hiring.html

COM and ATL

Dr. GUI on Components, COM and ATL
With the time obsolete, due to .NET framework.

The Visual Proxy

Very good paper from Allen Holub.

Object Mentor - Design Principles

Some very nice papers.