If you're a regular reader of Michael Curtis very entertaining blog The Society of Torch, Pole and Rope, then you know that he has done an alphabetic rundown of all the tropes and elements of dungeons. I think he managed to nail down a lot of the feel of a good dungeon in those entries.
Now Goodman Games have decided to publish the alphabet in a book! Go to the web page for the book, and look at who's involved in addition to Mike. Impressive. Here's the announcment.
Make a note of that one. It will be good. Really good.