You'll be fine Kitty, remember the odds of anything happening anyway are minute and it was Birmingham Airport that was slipping, it doesn't mean all airports. Plus, yes after that program I think all Airports will be checking their procedeures and staff to make sure it's right, especially if the American's are threatening to ground flights to the US.
We flew from Birmingham last week and all seemed fine, we had to go through all the checks etc and although we don't see what goes on behind the scenes, it felt safe, which is important as a passenger.
Take an MP3 player, a good book and I use Flower Remedy, which you can now buy in pastilles (as you can't take liquids on board) to help me de-stress and relax a bit. Plus it's a really quick flight - you'll be there before you know it.