This weekend I’ll be a guest at the 2010 Octocon convention in the Camden Court Hotel, Dublin. The Guest of Honour is George R.R. Martin, best known as the author of the A Song of Ice and Fire fantasy novels. The first novel in the series, Game of Thrones, is currently being filmed in Northern Ireland as a HBO mini-series. Its tone has been described as ‘Sopranos with Swords’, and since HBO rarely does anything badly, this could be the fantasy television series of a generation. Here’s the teaser trailer that HBO has released: It’s a considerable coup for an Irish convention to have such an established author as a…