I'm probably the last person to notice that a right-click on a Google Docs file list results in a pop-up menu that lets you, among other things, save the Google Docs file to your local drive.

I got some odd results from saving a file using this technique instead of using the menu option while working with the file itself though. Safari 3.1 saved the a spreadsheet as a XLA (Excel Add-in file) while Firefox 2.0.0.12 saved it in the expected XLS file format. In both cases, however, Excel 2008 for Mac opened the file complaining about possible lost data. However, it didn't look like any rows or columns were lost.