Excellent recommendations. I stumbled upon LessWrong.com a couple of months ago and its been a great source of interesting and useful material on practicing rationality and integrating it into everyday life.
LessWrong.com: it's like Call of Cthulhu in reverse.
(Ie you gain SAN stat from it).
'Call of Yudkowsky: a group of Christian adventurers hear disturbing rumors of abominations being programmed in SIAI House! As they penetrate to the core and pass various obstacles of cognitive biases, can they maintain their FAITH points, frustrate the sinister computations, and escape mentally intact?'