1. More guild members
2. More story quests
3. The kraken
4. More gold.
5. No more lag
6. Ship customization
7. Jolly rogers curse
8. Houses for us pirates to enjoy
9. Hand to hand combat
10. And a big parrot for my soldier

my list:
1. no more lag
2. bigger/better/badder ships
3. cap raises on notoriety and weapons
4. newer weapons
5. new story quest
6. ship customization
7. new islands
8. bigger islands
9. bigger wardrobes
10. last but not least pets (i want a hawk)