I have noticed that in BESM feats play far less of a role than they do in D&D. Arg, I should've mentioned this earlier, but you can use the incomplete training defect to dump any feats you don't want for extra cp if you don't want them.
Far shot and point blank shot. Far shot will have no effect on the range of the special attack because I see special attack as a sort of personalized spell. Point blank shot will add an extra 1 point to damage and give +1 to accuracy if you are attacking with a ranged special attack that requires an attack role. If you make a fire ball though that hits the general area without an attack role then you don't get the benefits from point blank shot.
Hmmm... Unknown superhuman power. I will determine what you get of course, but I will try to keep it within your characters combat style or premise, like if you are a melee fighter, during an important fight I might give your character super saiyen mode or something. It just depends on how many points you give to me.