Improve UI for a better workflow to add location with long/lat

Hello,

I think the UI are two big issue:
-the State/province field is too big.
-The map center don't take care about the information of location to help user.

First the order of the field is not friendly for that. Now is like that:
Street:
Additional:
City:
State/Province:
Postal code:
Country:
Map and long/lat

If you have multiple country your "state/province" are very very big... A solution is to invert the order like that:
Country:
State/Province:
Postal code:First t
City:
Street:
Additional:
Map and long/lat

When a user select a country, state/province is loaded dynamically (ajax) like http://drupal.org/project/cck_address do that with activeselect ( http://drupal.org/project/activeselect ).
In the same time the map are also dynamically center on the country and after the user select the sate, on the sate, and same thing with city, street.... at the end user perhaps just correct a litel bit the long/lat with the map...