Here Are Some Good Programs:

Temp Monitoring :
Dtemp,
http://private.peterlink.ru/tochinov/
Motherboard Monitor, http://mbm.livewiredev.com/
speedfan, http://www.almico.com/speedfan.php

Displaying Specs On Desktop:
samurize, http://samurize.com/
coolmon, http://coolmon.arsware.org/

Benchmarking:
Sandra, http://www.sisoftware.net/
3DMark03, http://futuremark.com/products/3dmark03/
3Dmark01,http://futuremark.com/products/3dmark2001/

Tweaks
TweakXp , http://tweakxp.com
X-Setup , http://www.xteq.com
Tweak UI, http://download.com.com/3000-2341-28...ml?tag=lst-0-1


Burn In
Prime 95, http://www.mersenne.org/freesoft.htm
Folding @ Home, http://folding.stanford.edu
Seti @ Home, http://setiathome.ssl.berkeley.edu/
Toast , http://www.xtremesystems.org/forums/...&postid=145456

Firewalls + Proxies
Zone Alarm, http://www.zonelabs.com/store/content/home.jsp
Proxy +, http://www.proxyplus.cz/
WinProxy, www.winproxy.com

more to come

please post here with a program you think should be added.