Very interesting looking links up here.
Postmortem: Blizzard Entertainment's Diablo II
Baldur's Gate II: The Anatomy of a Sequel
http://www.gamearchitect.net/ Musings of Game Engine Structure and Design
I've been getting up a hour earlier to program in the morning. Unfortunately it turns into "internet time" :D. Still some morning unit tests have been written.
Now back to programming.