We have mixed emotions when we discover that our last ferry journey of this long Greek sojourn is a hulking great catamaran named Champion Jet 2. On the one hand, it’s disappointing that our final crossing won’t be on a quaint island ferry; on the other, there’s a gale blowing and the seas are extremely rough. The powerful craft ploughs through the heaving waves with barely a roll. And so on to Milos which, if we hadn’t been forced to change our plans back in the first week of August, would have been our third island call rather than our last.  After Milos we will take six days touring a new…