Oahu is now available for downloading. Be sure to pay attention to the instructions and notes. It is a large download so be prepared. Part 1 is Kauai + Niihau, Part 2 is Oahu, future releases will be Part 3 Maui county, and Part 4 will the the Big Island of Hawaii. Some files are common to all islands, others are specific so please read the Install instructions.
Direct link for the download