I covered most of the points here
http://forum.platform11.org/showthread.php?t=112
before the thread was locked because someone reckoned it was all pie in the sky walter mitty stuff. Personally I dont. What exactly is the country going to do infastructural wise post T21 ???
We should be starting on the following
Tuskar tunnel
Deep Port in Shannon
High Speed Rail (Passenger) Cork - Dublin - Belfast
High Speed Rail (frieght) Shannon - Limerick Tuskar
Relocating Dublin port out of Dublin and develop the area like Sydney bay with high rise et al.