TweakHound

Process Monitor “is an advanced monitoring tool for Windows that shows real-time file system, Registry and process/thread activity.”
Version 1.24 “Fixes a bug in the new Registry hooking feature.”
BgInfo “automatically displays relevant information about a Windows computer on the desktop’s background, such as the computer name, IP address, service pack version, and more.”
Version 4.11 “comes with a couple bug fixes and now supports images that span multiple monitors! In addition there are bug fixes for both large wallpaper centering and correctly identifying “Windows XP x64” installations.”
Download & Info

[28 Sep 2007]
CCleaner v2.01
– Fixed bug where some IE Temporary files were not removed.
– Fixed bug with IE7 Recently Typed URLs cleaning.
– Fixed C++ exception on Desktop shortcut scanning.
– Installer now works on 64-bit OS Recycle Bins menus.
– Optimized IE Temp files cleaning speed.
– Improved index.dat cleaning on XP.
– Fixed Registry Cleaner as “Fix All” sometimes wouldn’t work.
– Keyboard shortcuts now work correctly in Registry section.
– Files winsys.ini and winreg.ini are now embedded in the EXE.
– Fixed bug where Autoupdate check could cause an exception.
– Fixed minor bug in restoring screen position and size.
– Lots of internal improvements to reliability and speed.
– Minor UI tweaks.

Download
***Only the standard build is available as of this writing. Be sure to uncheck the Yahoo toolbar during install!