We did this tour in July last year, booked via the Aulani website. I highly recommend it if you haven't been around Oahu before. We knew of, and had planned, a lot of the big tourist attractions (eg Kualoa Ranch), but the tour not only helped us to get a grasp on where everything was, but it took us to a lot of places we wouldn't have otherwise.
Our specific stops/times on our tour were:
Nu'uanu Pali Lookout (around 20 minutes)
Byodo-In Temple (around 45 minutes)
Tropical Farms (macadamia farm - around 30 minutes)
Kualoa Park (for views of Mokoli'i/Chinaman's Hat) (brief stop for photos)
Lunch included at Fumi's Shrimp
Waimea Valley (around 90 minutes or so - long enough for people to jump in the water at the falls if they wished)
Dole Plantation (around 30-45 minutes - long enough to have a quick stroll around, visit the gift shop, grab some Dole Whip. Not long enough to do things like the train)
It was indeed about 10 hours, but we did so much and the guide/driver was fantastic that it didn't feel that long.