I am being asked about cabins here is a report on the cabins. The upcharges shown are for a 10 night trip. This will probably be an 18 night trip so those upcharges will be higher.

Cabin Details
http://www.brownandkeenetravel.com/2014_Arctic_Silver_Explorer_Cabin_Details.htm

Deck Plans
http://www.silversea.com/expeditions/silver-explorer/deck-plans/

Kens Ship Pictures
http://ngaire.smugmug.com/Cruise-Lines/Silversea