Process for updating Excel add-in?

Question

I have an Excel 2003 add-in deployed in one of our departments that occasionally needs updated. What currently happens is that I publish the new version from my machine to

Answer 1

It was nice of Dick Kusleika to blog about managing add-ins today!

http://www.dailydoseofexcel.com/archives/2009/07/29/conditionally-load-excel-add-ins/

Some good suggestions that can be applied to my situation there.