Fascinating and fun interactive map at Forbes showing the inter-county migration patterns in 2008 from across the country.
However, 2008 was still good times for many as ICSC and Home Builders Conventioneers still found themselves skiing down the kind of effervescent white powder only found on the pay-by-the-hour rented skis on the silicone mountains of Las Vegas.
I would be more interested to see 2009 or 2010 when hard times started flushing the chumps, to quote Ulysses Everett McGill.
Here is the map for Dallas County (red is outward, black inward):
Seems like the migration is coming from: Rust Belt, busting housing markets (SoCal, AZ, Vegas, Florida), and the Mid-Atlantic (raises hand). While we seem to be exporting people to south Texas (Austin, San Antonio, Houston), as well as Southern Louisiana, and the Seattle area.
On the other hand, it looks like the party is in Austin: