The default Windows 'Save As...' or 'Open' dialog box has five different shortcuts on the left hand side — History, Desktop, My Documents, My Computer and My Network Places. As a matter of fact these are not shortcuts at all — you have to browse to some other folder of your choice. What if you can customize these links, much like Linux desktops?
Enter Places Utility. It's a nifty application that does this job with ease. It offers a very intuitive options dialog, which lets you configure the shortcuts.
Places Utility is available for free at Simpli Software. It's 622KiB is size.