We do this at our business locations and home
Use OSA-Sync Pro to share files for Outlook from www.slipstick.com
Here is a link with some solutions that may help you http://www.slipstick.com/outlook/share.ht
For other files we use Novell iFolder, One Note, etc.. http://ifolderdemo.novell.com/iFolder/
These links and information were provided to us by the very helpful and patient MVP'S here in the groups