"The issues surrounding DUB having one of (if not the) shortest main runway of any primary airport serving a European capital have been discusses around this parish a number of times. When EI were placing their A350 order the new 28R/10L was still expected to be built this decade and it was planned to be 3110m long, as opposed to the 2637m of the current runway."
It would be very easy to convert those orders into A330's, they have deferred delivery of some, but not all of them. First 4 arrive in 2015 I believe?