Hi!
I haven't looked at your plan, but I did want to comment on your Area of Focus choices. It is optional at EC, and it is 15 LL and 6 UL credits. It seems that even if you can get that number of credits, EC does not always offer an Area of Focus in a certain subject. For instance, through the Biochemistry GRE I completed a depth but I was not awarded an Area of Focus because it wasn't on the list of approved subjects. They have Biology, Chemistry, and other sciences but not Biochemistry.
This page has a list of some of the depths allowed:
Liberal Arts Bachelors FAQ - excelsior.edu
The Liberal Arts catalog also mentions subjects like these (not exhaustive) for an Area of Focus:
Administrative/Management Studies, Computer Information Science, Criminal Justice/Protective Services, Earth Science, Health Professions, Religious Studies
I guess this is just a really long way of saying to check with EC, if you haven't already found the same successful example on the forum.