Hi there, we made the mistake of taking a trip on the Ryndam whilst she was in the UK, and have to say that we were thoroughly disappointed with the whole experience. Unfortunately from your message it doesn't appear that things have improved since she moved to the Caribbean.
It may be worth looking at the larger or newer ships in their fleet.
Last: Cunard Queen Victoria January 2016
Next: Oceania Nautica Aug 2016
Then: P&O Oriana August 2016
Then: P&O Oceana December 2016
Golden, Grand(2), Caribbean, Royal, Sea(4+1 aborted)
Adonia(4+2), Arcadia, Artemis(2), Aurora(5), Azura(2), Britannia, Oceana(3), Oriana(12), Ventura(2), Victoria(5)
QM2(2), QE2(9), QV(7), QE, Caronia(2), Minerva, Minerva II, Fred.Olsen(8), NCL Jade, =X= Eclipse, HAL Ryndam, Aza.Journey