You will find more info on bus services here:
http://www.buseireann.ie
There is some info available here on shopping at Dublin Airport:
http://www.airportshopping.ie/retail/store/dublin.asp
We also have a separate Dublin Q&As topic in our Airlines & Airports forum:
http://www.holidaytruths.co.uk/viewtopic.php?t=29755
David
