The black dog has left the building. I'm back to myself; returned to the living. I swear next time when this happens (if it happens again), I'll be more on the lookout for signs. I looked back in my diary and read what I was doing just before I had a major depression.
Never let it be said that British hi-fi is boring, or British hi-fi manufacturers for that matter. UK audio products are always interesting, but some of the characters behind them never cease to amaze me.