Hi Mark,
I presume that you refer to the extended map editor tool included in the CD version?
It is a wonderful tool for map designers.
Not only, it contains some very useful functions like:
Undo/Redo
Quicksave
Snapshot
Select (cut/paste a section of the map)
and other functions
but it also gives you the possibility to design in higher screen resolution.
For all the above, I strongly recommend the extended map editor for the ultimate map designing experience!!
cheers,
Pyros