identify your services running under svchost.exe on Windows XP

http://www.raymond.cc/blog/archives/2007/08/23/identify-loaded-svchostexe-in-windows-task-list/

How to make cool DIY Projects

http://www.instructables.com/

Linux Powered Submarine

http://www.linuxdevices.com/news/NS9994108399.html

Run Bioshock on Shader Model 2 Graphics Card (WIP)

This is apparently a "Work-in-progress"
http://forums.2kgames.com/forums/showthread.php?t=5680&page=116

free tutorials - tech stuff

http://www.extropia.com/tutorials.html

Beginning Game Programming

http://www.toymaker.info/Games/html/beginners.html

more design sites - royalty free images etc.

http://www.veer.com/

http://www.stockvault.net/

Setting up QEMU / KQEMU on Ubuntu 7.04

http://ubuntu-tutorials.com/category/virtualization/

Cedega - for running Windows games on Linux

http://www.transgaming.com/

Run HL2 and Counterstrike on Linux - Wine Gaming!

http://linux.wordpress.com/2007/02/07/wine-gaming-steam-half-life-half-life-2-counter-strike-source-and-16/

Linux Live CD for free gaming!

http://live.linux-gamers.net/

XP performance tweaks

http://kadaitcha.cx/performance.html

Linux Gamers Game List

http://www.icculus.org/lgfaq/gamelist.php?license=free

Create your own linux live CD

PDF HERE - http://www.linux-live.org/create%20a%20livecd.pdf

Open Source Software for Windows - large Database

http://osswin.sourceforge.net/

Free + secure delivery of files (up to 4GB!!!)

http://www.civilnetizen.com/

Quick Reference Cards for LOADS of programming languages

http://tiger.la.asu.edu/quick_reference_card.htm

how to kill terminal services sessions remotely

http://www.hackszine.com/blog/archive/2007/08/howto_kill_terminal_services_s.html

Create PDFS for free with PHP

http://www.fpdf.org/

more portable usb goodies

http://www.portableapps.com/
http://winpenpack.altervista.org/ - not in English, but click on English version link on top right

Ubuntu - Mount NTFS volumes with write support

http://ubuntuforums.org/showthread.php?t=142481

Open Source Games!!!

http://en.wikipedia.org/wiki/List_of_open_source_games

Linux Virtual Machine on a USB pendrive

http://www.dcs.napier.ac.uk/~05012779/virtual_machines.html

and some info about a "Free Portable Privacy Machine" available here:
http://www.metropipe.net/ProductsPVPM.shtml

Also, Mac on a stick
http://nothickmanuals.info/doku.php?id=minivmac

Qemu slax
http://www.pendrivelinux.com/2007/04/02/qemu-persistent-slax-linux/#more-201

That's an entire site devoted to Pen Drive Linux
http://www.pendrivelinux.com/