What This Means
The best result is strong on score, not on breadth: a 7-night southbound Alaska & Hubbard Glacier sailing on Ovation of the Seas from Seward. That is a good itinerary, but it is one sailing. The rest of the tier is mostly San Diego-based Mexico itineraries on Serenade of the Seas, plus a short Quantum sailing from Los Angeles.
This tier also lacks the free play structure that starts to make the mid tiers interesting. There is no bonus cash here, and the offer mix is split between one-guest and two-guest fares without enough inventory to create real choice.
The practical issue is not that the tier is bad in isolation. It is that it is too thin to be a reliable planning tier. If a player lands at 400 points, the certificate does unlock Alaska, but the usable list is limited and heavily concentrated in a few sailings.
For most players, 600 or 800 points is where the certificate starts to feel usable. At 400, the value is real but the selection is too narrow to call it a strong tier.