> This scenario doesn't seem ideal to me, but I could be missing
> something. If ToolBuilder (which is quite small) was part of the
> image, then it becomes the defacto API for dealing with prompts,
> dialogs, menus, etc.
> 

Seems like that was the point of all the work that you guys did..  

> Of course, if all the core tools are packages that depend on the
> ToolBuilder package, then the problem goes away...

I don't think we'll be at that point until we reach a minimal GUI-less
image a la Spoon.