My 2 cents...

- Although not a spectacular as the Hana drive, now that they have it paved all the way, a drive all the way around West Maui is an interesting ride as well, and less time consuming. There is (or was a couple of years ago) a stretch down the side of a cliff for a few hundred yards where the road is only one lane wide.
- Tedeschi winery upcountry
- For a relatively authentic luau,including pig ceremony, try the Old Lahaina Luau
- Chocoholic bar for dessert at the Hyatt Regency
- 1/2 price pupus, including a decent ahi poke, at Makai bar at the Marriott