Ah, many thanks for the speedy and detailed reply - handy to know for future reference and certainly answers the question that was stuck in my head for while! Given it's the last Fjord cruise of the season for Iona before it heads to the Med, I'm assuming they either decided to extend the Fjord season by one more cruise, or they had to alter the itinerary slightly - noticed that there's a couple of variations on the 7 night Fjord loop in the weeks before.