In the latest version of iTunes (version 11), you can use Command + 1 through Command + 7 to switch the view between different sections of your iTunes library.
- Cmd + 1 = Music
- Cmd + 2 = Movies
- Cmd + 3 = TV Shows
- Cmd + 4 = Podcasts
- Cmd + 5 = iTunes U
- Cmd + 6 = Books
- Cmd + 7 = Apps
These iTunes 11 shortcuts will only work if the corresponding sections of your iTunes library are enabled in the General pane of your iTunes preferences.

Stop by either store and let's see if we can figure it out together!
Stop by either store and let's see if we can figure it out together!
Stop by either store, and we'll be happy to see what we can do to help you.
Stop by either store, and we'll be happy to see what we can do.
Useful read. I have been tinkering with virtual machines on my Mac recently, and this fits neatly into the things…