Currently reading
Code Complete
Promise of Blood
Broken Homes
Fallen Angel of Mine
A Guile of Dragons
Pray for Dawn
Knox's Irregulars
Code: The Hidden Language of Computer Hardware and Software
Antiagon Fire (Imager Portfolio)
Modesitt's books are thoughtful as always. I mentally put books like these into a subgenre of "Intelligent Fantasy," because I don't feel guilty about reading just another brain candy book when I'm done.