The two evenings are identical, it's only that the demand for the Port Walk outstripped the availability of tickets quite substantially so Berry's found it was worth putting a second event on.
I tend to go for the Thursday night as this works better for my domestic arrangements.
Top 2025: Quevedo 1972 Colheita, b.2024. Just as good as Niepoort 1900!
2026: DR Very Old White, Graham Stone Terraces 2011, Quevedo Branco 1986 b.2026