The default save as places are : Recent Documents / Desktop / Documents / My Computer / My Network Places

To put your own shortcuts there, do this :

Click on the Start button.

Select and click on Run

Next, type gpedit.msc and click on OK
Under "Local Computer Policy", expand the navigation tree following the directions below.

User Configuration

- Administrative Templates

-- Windows Components

--- Windows Explorer

---- Common Open File Dialog

Then once you have the Common Open File Dialog selected, you will notice a few settings to appear on the right side of the window.

Double click  on "Items displayed in Places Bar"

Check "Enabled" and put in your own folder like for example :

C:\    or    \\server\share    or one of the following special shortcuts:

CommonDocuments, CommonMusic, CommonPictures, Desktop, MyComputer, MyDocuments, MyFavorites, MyMusic, MyNetworkPlaces, MyPictures, Printers, ProgramFiles, Recent.

If you disable or do not configure this setting the default list of items will be displayed in the Places Bar.