Hey there dlish, I had some time to kill this afternoon and thought I'd dig up a few links you might find helpful. About a year ago I wanted to resettle here in the US and went through a similar search, while I never ended up purchasing property I did spend some time thinking about and used some of the below data when finding the best fit for me. I wouldn't rule out any one region of the country just yet, considering the movement people have made here in the last few decades its hard to pin down exactly what any given region in the US will be like in another decade or two. Here in the south for example people have been coming in droves to take advantage of cheaper property, lower taxes and nicer weather, in turn southern cities are growing and becoming much more modern and progressive in the process (of course you never know how that trend will continue). Getting in on the ground floor of an area that could see a significant boom in the next few decades might be a good way to not only buy nicer property for less money but give you a higher return on your investment when/if you decide to sell.
Anyway, here's a few links you might find helpful
Property tax levels by state; buying and owning a home - MSN Money
^^^ A good chart of what you can expect to spend on property taxes per state.
America's Fastest-Growing Cities 2010: Biggest Boomtowns by State - BusinessWeek
^^^ an interesting breakdown on the fastest growing cities in the US (at the bottom of the page you'll see some thumbnails of what look like maps click on the arrows to skip to a breakdown of each city)
Change of Address: 10 Fastest Growing & Shrinking U.S. Cities
^^^ A short summary of the fastest growing and shrinking cities in the US, might be helpful.
Best Cities 2010: How Does Your City Stack Up? Sortable Data, U.S. Metropolitan Areas, Population, Cost of Living Index, Creative Class, Median Household Income, Income Growth - Kiplinger
^^^ a spreadsheet of info on the "best cities for the next decade" could have some info you might be interested in, or at least give you an idea of how your chosen city/region might stack up.
Average Home Insurance Rates by US Region: Lowest and Highest Annual Property Insurance Average Premiums
^^^A brief summary of the average cost of homeowners insurance per region/state.