I think that this show is great. I mean, the special effects are really nothing compared to what is being seen now, but we do see some of the earlier work of WETA, who went on to kick major butt in LOTR and KK. The acting was really good, these, to me, were compacted epic movies for free on t.v. The acting was good and it was always fun to see stunt men fly through the air and Hercules beating them down.
All I really have to say is, that the movies were great and the direction the show took was wonderful. Though sadly, slighted by it's cancellation at the end of 8 episodes in the 6th and final season. The show did lack some of the deeper elements found in "Xena: Warrior Princess", but I think it made a good contrast. All in all, watch the movies first, if you like them, watch the show and decide if you like it or not. To each their own and have fun, the show and the movies can be a great laugh.