Hi David,
Here is latest on Crystal's single sups I've found:
http://www.travelpulse.com/crystal-cruises-to-offer-lower-solo-fares-on-more-2013-cruises.htmlSuggest you call Crystal tomorrow or your Ta for details on single sup.
btw..we booked during the maiden season of the new Viking ship (first ocean going Viking vessel) Viking Star, May 2015 (Bergen to Stockholm) today (Rachel & George are joining us, you?)
http://www.vikingcruises.com/oceans/oceancruises/stockholm-bergen-2015/itinerary.aspxvid (rendition) of Viking Star (includes first Infinity pool, most alfresco dining at sea, pool with retractable pool too)
http://www.vikingcruises.com/oceans/cruiseships/east_mediterranean/viking-star/shipinfo.aspx