I've been playing Quake again recently. No, not Quake 4. Nor have I been at Quake 3 (didn't like the tournament style much). Not Quake 2, either. Quake. The first one. With the Darkplaces engine and the high-def texture pack (all freely downloadable) it looks really rather good. It's still just as atmospheric as ever - the first time I played it, I'd just bought a Soundblaster 16 which supported stereo audio (a big leap in sound cards, in its day) and I was playing it listening through headphones. Now I'm playing it on a machine that's literally 200 times faster, with a pretty decent graphics card, a 22" LCD and really good headphones - and 13 years later, it still scares the whatnot out of me. Brilliant.