We'll just have to get used to driving between Cork and Belfast again, although with the new motorway, its only around a 4 hours drive now.
I wonder what impact the new motorway is having on Cork-Dublin traffic. We can see that Ryanair are reducing too.
Now that you can get from Cork to Dublin Airport in 2 1/2 hours, there doesn't seem a huge amount of point in flying. And if you're connecting, the uncertainty gets removed.