I was reading ArsTechnica this morning, before work, and I ran across this fantastic list of Windows utilities. More of them are geared towards programmers and power users. If you aren't one of them, please, move along!

Scott Hanselman's Ultimate Developer and Power Users List for Windows

I use many of these but I am also excited to try some of these that I've never heard of!

Query Express
FolderShare
InstallPad
Tidy Start Menu