I'd be sure to look at the top markets that are already reversing in rent and value trends with this graph from CoStar here first: 

Not sure how to make it short so here's the full URL http://www.statemaster.com/graph/hou_per_of_hou_uni_tha_are_mob_hom-housing-percent-units-mobile-homesNeil, message me here on bigger pockets and well exchange numbers.

I have a rental in 30253, but can vouch for most of the areas in your graph.

I too moved to the great state of Kansas in July Thomas Handy but I'm at Riley in Junction City :(Hopefully James Vermillion I can hang up my bars after this tour but right now still getting my plan in place to tackle some personal financial debt and trying to figure out what I wanna be when I grow up lol.July was a milestone, closed on my duplex after financing uncertainity, and I just moved in my tenants today.

I haven't been able to find any sort of map or graph showing average rents for the suburbs, however, I would say the MLS, Zillow, and other sites would be a great roadmap. 

This is helpful because Excel will graph out which input variables have the biggest impact on the output variables such as IRR, CoC, etc. 

You see a lot of interesting graphs of things like population trends, cash flow vs appreciation,  compairson of local govt behaviors towards rentals.. 

As for the common misconception that "50%+ marriages end in divorce" I'm not picking on you Scott, others have said that too but actually that number includes people who divorce a 2nd and 3rd time: The question that should be asked: "How Many 1st Marriages End In Divorce" and we get a very much lower numberFrom a Family Law lawyer:This graph looks at the age groups of those getting divorced: Age Women Men Under 20 years old 27.6 percent 11.7 percent 20 to 24 years old 36.6 percent 38.8 percent 25 to 29 years old 16.4 percent 22.3 percent 30 to 34 years old 8.5 percent 11.6 percent 35 to 39 years old 5.1 percent 6.5 percent

Mine shows a graph of all expenses, and graph of all income and 6 key metrics at the top.

With bar graphs and the ability to vote.