I second the idea of being able to put a merged greeting in the subject line - would be helpful to be able to test this out and see how it affects open rates.  Thanks! ... View more

I agree with the comments below about tiered permissions, being able to look at e-mails in-progress or sent by user, and also the idea of being able to search archive that way.   Lastly, how many users can you add?  Is there a limit?  ... View more