Your Favorite Tech / Eng. / CS Books?
Introduction to the Theory of Computation by Sipser. This is my favorite computer science textbook together with SICP. It deals with theoretical computer science, mainly automata, computability and complexity theory. It's just 400 pages or so, but covers lots of ground.
Types and Programming Languages by Pierce. This is a very accessible introduction to the theory of programming languages and types.
Cold Boot Attack Utilities Released At HOPE Conference
The way I see this, you should simply not store keys in memory (that is have your encrypted file system mounted) when you not need access to the files. A correct program will overwrite the keys when the file system is dismounted.
The purpose of full disk encryption (or system encryption in TrueCrypt is), in my opinion, not meant as a "one password to protect everything". It's just an extra measure to secure temporary files, the swap file and other tracks the OS and applications may spread around. You should still encrypt your really secret files separately, and use basic precautions such as secure file erasure when you've used them.
That said, I still don't think this attack is so important. If you have the file system mounted, and an attacker gains access to your computer, the files are already there!