COM Links you don't wanna miss
Folks I admire and learn things from
Don Box - The name says it all... The Guru...
Chris Sells - Check out some cool samples at Chris' site
Keith Brown - Whenever you think of the UD...
Michael Nelson - More samples...
Links to COM/DCOM/RPC specs
ATL Links
Listsevers Archives
Books I recommend
Essential COM by Don Box
Effective COM by Don Box ,Keith Brown ,Chris Sells and Tim Ewald
ATL Internals by Chris Sells and Brent Rector
Effective C++ by Scott Meyers
More Effective C++ by Scott Meyers
Inside the C++ Object Model - by Stan Lippman
Advanced C++ - by James O Coplien
Book of the Year :-)
Mr. Bunny's guide to ActiveX - by Carlton, III Egremont
Other Resources
Crispin Goswell's most excellent and inspiring The COM Programmers Cookbook (Its on MSDN).
Don Box's House Of COM column in MSJ
Keith Brown's Security Briefs Column in MSJ