Since no one has replied to this post and it's an area of particular interest to me, I thought it best to mention the following. There have been several very good threads on using GTD in various areas of sales and I have learned much from them.
I suggest you use the "search" feature (between "New Posts" and "Quick Links" and you will discover a wealth of ideas. If something in that group catches your attention, maybe you can restate it here and jump-start some more discussion.