> Let me guess....

Dave, you cannot guess. There is no such thing as guessing! LOL

> Something to do with ERA Macro Cycles

Of course...

> or some such contraption perchance???

Well, I have no idea what that "contraption" is since I simply cannot guess! LOL

> I quite fancy one of those...do they go fast?

Not necessarily! It really depends on your own life cycle and your own energy transition states...

eom