This is a linkpost for http://squirrelinhell.blogspot.com/2016/03/abuse-of-productivity-systems.html
I would guess that the real problem here is the fear of not choosing correctly. (Which ironically leads to choosing even worse.) Fear indeed is the mind-killer, or at least a motivation-killer for mental tasks.
I imagine that a possible approach could be to limit the time when you are making the choice. For example, on Sunday you would decide what are you going to do the following week, and precommit that you will not change your decision during the week. Then, during the week it would be obvious what to do. And if you remember something else, just write it...
I have moved this post to my blog: http://squirrelinhell.blogspot.com/2016/03/abuse-of-productivity-systems.html