Just FYI,
Sheraton is running a special at the Kapalua Bay Hotel and Villas for 35% off room, rental car, food, certain activities, etc. Also, you get your 6th night free with 5 pd nights.
Are you a SPG member?
Run the numbers both ways. I'd be curious to know if what way is cheaper-cash or pts. If you absolutely want to use pts, then it doesn't matter.
Anyway, Maui is great. My DH has golfed at Kapalua but not stayed there.
If you go to Maui and enjoy biking, try Biking down Haleakala.