North Carolina was a bit of a disapointment for the GOP as they were only able to flip one of four vulnerable House seats. While they did well in contests for the state legislature they were unable to beat Mike McIntyre (CD 7) and Larry Kissell (CD 8). District 7 is in the southeastern part of the state and 8 is south-central. Both districts voted for Bush in 2004 but Obama was able to carry CD 8 in 2008 while McCain took CD 7. Kissell was thought to be especially vulnerable as he was a first-termer which had elected a Republican to the House for several cycles before 2008. In CD 7, McIntyre hadn't had a close election since 1996 but was targeted by the national GOP in the 2010 cycle. In the end, Kissell received 53% and McIntyre got 54%; respectable totals for a terrible cycle for the Democrats.
However, the GOP will control the entire redistricting process in the Tar Heel State for the 2012 election. While Obama narrowly carried the state in 2008 there is almost no chance he'll be able to repeat his victory in any state south of the Mason-Dixon line. I strongly suspect both Kissell and McIntyre will have much redder districts to defend in the cycle and it wouldn't be surprising to see them both go down two years from now.