Pennsylvania is another. Reagan got 2.3 million in '80, McCain got 2.7 million. Carter got 1.9 million, the False One got 3.3 million. In 1980, Carter carried just 10 counties, 7 of which were in the SW part of the state. The False Messiah got just 18 counties (but enough for a win), and he carried virtually every county in the Philadelphia Metro Area (in '80, Carter won ONLY Philly itself). But McCain won 6 of the 10 counties Carter won 28 years later, all in the declining SW (where only Pittsburgh's Allegheny & Johnstown's Cambria - which only barely went Dem by just 456 votes !).
I worry, too, about the potential trend even in the South of rich/upper middle class suburbs towards the Dems. It hasn't happened yet, but I start seeing alarming incidents like our own Mayoral race. The lone district in my county that sends a Republican to the legislature (the wealthiest in the county) is the one that went heavily for the moonbat lib. Williamson County, the wealthiest county in the state, and heavily GOP, would likely be the first to start showing signs of a potential flip, though aside from the bizarre 2006 Gubernatorial race when EVERY county went for the Dem incumbent (the GOP nominee was a State Senator from Williamson, and he didn't even carry his own county, the worst showing for a GOP Gubernatorial candidate in ages).
Another example, however, was that in the late '60s-early '70s, Georgia sent two Republicans to Congress, one from adjacent Atlanta districts. The city of Atlanta itself, in fact, and DeKalb County. Today, those districts are moonbat Democrat and Black (DeKalb being Cynthia McKinney's turf). But the flip of those was more racial as opposed to Whites themselves ideologically realigning. However, Barone made a comment about the DeKalb based seat at the time that they simply had a habit of voting against the tide of the rest of the state. Then, they were trending to the GOP, opposed to the heavily Dem rest of the state. Now that Georgia is GOP, they vote opposite today.