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Thanks for the addition info gents!
There's also fuel reserve requirements for ETOPS flights to consider. When winds aloft are unfavorable, a re-release point can be used to reduce reserve fuel. TA flights, having several possibilities for places to land during the overwater portion, can make better use of re-release procedures to reduce reserve fuel requirements that the HNL flight can't since there's no potential landing fields between the west coast and Hawaii. That's where the different ETOPS time limits come in.
Jim