hotkeys

I would like to make the case for the Enter hotkey as the number #2 top priority, or at least in the top #10 for a number # of reasons: The Enter buttond in its semplicity did a number of thing. In the best Civ of all time III it does everything and a little more. #1 It Ends (indirectly...

If I have, say, half a dozen Wagon Trains, or Scouts, is there a way to cycle through only those units to see where they are? I checked the hotkeys list but didn't see it. Thanks, Richard