In the interests of transparency, it's worth noting that galaxy whirl does not actually exist (and yet 5 people have voted for it, at the time of this post). It was a Dunnerism, sadly, and it got through quality control.
If it garners enough votes, we'll replace it with Dark Crunchie (that also doesn't exist) for the knockout rounds
The Tony Chocolony is probably the best chocolate bar. It's just not well known enough yet. A real shame, but by next season its notoriety will have increased and I can see it becoming a real contender.
If you haven't tried it yet, seek it out. I think it's being stocked in Sainsburys at the moment.