Thanks for writing this review. It made me install my old copy of NWN and try this series of mods out. I was not disappointed. The story was compelling all the way through. I played as a monk. Some of the fights were pretty tough, but not to the point of pulling one's hair out. I can't help but feel the mods favored tanky fighter types, as even a monk had trouble hitting enemies in many of the boss fights (lots of attacks per round, and lots of misses). And I'm not sure if the mechanics of NWN tend to favor armor-based AC bonuses over dexterity/dodge AC bonuses, but my character seemed to be hit a lot more than I would have expected, considering his AC was really high. My heavily armored companions seemed to fare better most of the time.
Regardless, it was great to take a character from total newbie status all the way into high epic character levels, and the stakes of the story rose to match my growing power. I would recommend these mods to anyone, with the caveat that one needs to be careful with their character build. I'm not sure this is an "any type of character can make it through in their own way" kind of mod.