One can get quite addicted to it. If you're german speaking, I really can recommend this guy, having posted almost 100 "let's play videos" covering this great roguelike game.http://www.youtube.com/user/irrenhaus3
Here's an example video from him:
I'm quite interested in the field of SATCOM. A good starting point for the german speaking folks is here: http://www.satellitenwelt.de/uhfmilsat.htm
From there you'll find a couple of useful links to people who actively maintain their pages and even put some audio snippets online, most interesting for me were:
http://www.solarix.net/category/satcom/ (audio recordings)
http://satcom.tonnarelli.com/ (same here)
http://www.uhf-satcom.com/ (lots of frequencies and tech info)
True story about an astronomer helping tracking down some hackers. I really recommend this one. Got mine recently signed by the author. Thanks Cliff!
He also produces some crazy zero-volume bottles. This link gets you there.