Shearings River Cruise anyone?

River cruises seem to becoming ever so popular as more and more customers are trying them, and re-booking to go back on them! I am contemplating looking for myself to go on a shearing’s River cruise over the New Year. A fantastic deal at just £539 for 4 nights departing the UK and going to Ghent, Antwerp, Rotterdam and Antwerp. 4 great cities that should appeal to the younger market as well as the more mature person. I have visited Antwerp (Belgium) which is such a magnificent and vibrant city, especially the shopping.  I have also visited Rotterdam which has some spectacular views from parts of the city, along with some more traditional and authentic bars and restaurants. Amsterdam has sights to offer as everyone can imagine, but there is something on offer for everyone in Amsterdam, whether its the sight seeing, bars and restaurants or even the museums. So is River cruising becoming more popular because of the itineraries as well as the quality of the ships being used??? I am sure this is going to be a continued growing market in years to come.