Five bottles, same vintage in Redmond's, who also [i:387r6mth]still[/i:387r6mth] have Porterhouse Celebration in stock.
Not sure how to do Drink Store by bus (37, 39, 70 and 172 sayeth Dublin Bus[/url:387r6mth]), but it is handy for Smithfield Luas stop. It's easily walkable from the city centre.