It would be very useful if when adding an email activity to a workflow you could select an existing draft email, rather than having to create an email from scratch every time. So for example when it brings up all the template options, it also has a tab for 'Drafts' and lists all emails in draft format to select from.
We often create a draft email outside of a workflow, but then the original request changes and we have to re-create via a workflow.
