Check out cheat-sheets.org for a metric ton of condensed knowledge on many aspects of software development. Best part is, it’s free! You just need to register with your real email address. I realize I sound like I’m being paid to say this, but it is very useful for picking up new skills quick, and it is free. Enjoy!
At last, after watching Virtual Dimension and Dexpot and even Sysinternals Desktops suffer a stream of glitches, VirtuaWin is working seamlessly. http://virtuawin.sourceforge.net/