Check out, this nice guide from Microsoft TechNet, aimed at the ITPro community for Windows 7.

It covers:
- Gadgets
- Searching
- Projector Mode
- The new taskbar
- Problems step recorder
- Peek
- Libraries
- Windows Shortcut keys
- Snap
- Windows Troubleshooting & the Action Center
Download pdf : Your Guide to Windows 7 | Via MSDN Blogs.
