http://onemileatatime.boardingarea.com/2015/10/06/redeeming-miles-to-hawaii-can-be-tough/
http://onemileatatime.boardingarea.com/2015/08/26/miles-hawaii-first-class/
In addition to all the info in there, your newest option is transferring to Flying Blue and trying to book on Delta, which would be 50,000 RT if you can find a saver award (which will be difficult)