We actually started in Prague, then overland to Budapest where we boarded the Emerald Destiny. However due to low water levels we had to leave the Destiny around Rudesheim, travel by bus and board and continue the cruise on the Emerald Sky to Amsterdam.
The whole transfer was managed superbly without any hassles. In fact the ~200km bus trip gave us a different scenery .
Patricia , the Tour Director, did an excellent job. Each day her briefing was interesting, witty and clear. She made everyone so welcome. She was clearly fully in control and nothing fazed her. Our wonderful experience was predominantly due to her being in charge.