I think this is the right place for this. TEDx comes to Dublin on September 14th this year with 15 speakers discussing topics around science, architecture and art, among others.
Speakers here - http://www.tedxdublin.com/speakers/
Tickets are out today, and at an early bird rate of €20. I've picked up 2. Something different if anyone is stuck for something to do in 5 months time