Nico Burgerhart made a fantastic script called "Batch export MXD to PDF" back in 2008. http://arcscripts.esri.com/details.asp?dbid=14872 Any ideas how to implement it in ArcGIS 10? Something using Python perhaps? Data Driven Pages does not have anything comparable that i could find.
Here's the steps in read me text file which doesn't jive with ArcGIS 10's new menu bar:
Tool: Batch export MXD to PDF Purpose: Saves all MXDs in the selected directory to PDFs in the selected output folder Author: Nico Burgerhart (email@example.com) Date: 31 Jan. 2007 INSTALLATION NOTES ------------------ 1. Open ArcMap 2. Select Tools > Macro's > Visual Basic Editor 3. Select File > Import file 4. Import BatchExportMXDToPDF.bas 5. Select File > Close and Return to ArcMap 6. Select Tools > Macro's > Macro's 7. Select the BatchExportMXDToPDF mactro 8. Click Run