I've been reading Pari's discussion about the dream conference, and it leads me neatly into something that's currently on my mind: Harrogate. On the plus side, it's just down the road. On the downside, I may well end up there on my own, at least at the start. So... never having been to one of these before, I'm after some advice. Is it a 'jolly' or is it worthwhile, careerwise? (Not that there's a…