Open Command Window Here

One of Microsoft's Power Toys. This PowerToy adds an "Open Command Window Here" context menu option on file system folders, giving you a quick way to open a command window (cmd.exe) pointing at the selected folder.

Launchy

Launch the application without using mouse.

Alt+Space to bring the Launchy to front. Type the name of the executable, it will show the matching list while you are typing. Press Enter when you done and application will launch. It is open source and FREE.

http://www.launchy.net

Address Completion in Browsers

IE: type the site address between the "www." and ".com" and then use Ctrl+Enter to auto-complete the "www." and ".com"