I liked it. It definitely wasn't Lord of the Rings, but I thought it was better than most of the Sword and Sorcery movies that I have seen.
As forr the acting, I would not go as far as to say it was lousy. Granted, the acting wasn't the greatest, but. imo, it was adequate. Lousy acting would be the first DND movie which had some known actors, Kull, Hawk the Slayer, and plenty of other fantasy movies that I could never sit through. I