LeHavre/Paris Oceania Scandanavian Splendor

[dkurz]

Should We buy a train ticket from LeHavre to Paris up front or can we buy it at the train station.With the variability of the cruise line disembarking and the possibity that We can team with another couple for a cab into paris or that the cruise line will provide some transportation,we would prefer to keep our options open any suggestions.We are staying at a Rennaissance Hotel near the Eiffel Tower We are on the Oceania Nautica Scandanavian Splendor Stockhom to Paris Disembarking in LeHavre on 2 Sept 2012