I'm sure this question is relevant across office applicaitons.  I write
extensive macros for within office 2003 products for a large company with a
large sales force.  My latest application is written in PowerPoint 2003.  
Many of the users who will be consuming this file (template) are not
sophisticated users.
Currently, we are instructing all users to set their macro security to
medium and choose "enable" when challenged each time they open the file.  I
understand we can can create a trust relationship using code signing
certificate. My question is:  With the trust relationship established do the
user(s) no longer have to set their security setttings down to medium and
will they still get challenged to confirm the trust/certificate each time
they open the file?