If the situation calls for it, I can not only reorganize my skills, but also my attribute points. In fact, if I feel I've made a poor decision, I can simply move those attribute points to another location.
Since I've started my N/W, I've experimented with both Axe and Swordsmanship for weapon, and have tried out both Blood Magic and Curse Magic for a mixture of damage-dealing and healing.
Now, at Yak's Bend, I'm testing out a new build, and enjoying it.