St. Paul, Minnesota Up and Coming Areas

I'm a new investor, starting out in the Twin Cities.  I've been looking into district/communities of north St. Paul and the northern suburbs to find a couple du/tri/quad plexes to invest in.  I would like a community that is safe and/or improving.  Does anyone have any experience in the Minnesota area?

A couple areas I'm curious about are the Payne-Phalen, Como and Summit region of St. Paul and Little Canada.  Thoughts?