So far, not having polka music sounds like a plus.
The weather crossing the Atlantic in winter (or at any time) can be hit or miss. During our last TA, we went through a storm and got hit by a rogue wave, causing the ship to roll. All of the glassware in the cabins went flying. The poor cabin stewards spent most of the night cleaning up broken glass.
Embarkation sounded long, but there was no explanation on why it was long. On our cruise last month, there was a full blown coast guard / health inspection of the ship before it when on a 21 day crossing from Miami to Seattle.
Not sure what the shops should have for a TA. T-shirts with pictures of the ocean? You're not going to stock merchandise for a one-off cruise. And the shops are not run by NCL, they are run by a private vendor.
Roast pig being an "exotic dish" tells me a lot.