This is the place I stayed in Kansas City when I did my internship
Barrewoods -
www.barrewoods.com
Here is the places I looked at when I was trying to move to Kansas City
Summit Ridge -
www.thesummitridgeapartments.com/
The Crossing -
www.thecrossingkc.com
The Reserve at Barry -
www.360kc.com/Apartments/TheReserveatBarry.html
I would recommd all of them. Very nice and they are in areas that would remind you of Springfield, but close to enough to everything else KC offers.