I just finished re-watching the movies in Machete Order. I have recommended it to everyone who hasn't seen the series but I've never actually watched the movies in that order my self. I can quote the movies in my sleep so I figured I know whats best and Machete Order seems to be the superior way to enjoy the prequels and the original series.
I don't know if I can recommend it to anyone who isn't that interested in the Star Wars lore now that I've watched it. Sure I'm enjoying watching the tension between Vader and Luke grow as we learn about how Anakin turned to the dark side, but after watching IV, V, II, III, VI it really shows how much the prequel trilogy missed the mark of the original trilogy.
I know everybody has shared their ideas on how to make the prequel trilogy better but I have a hand full of complaints that I've been wanting to tell anyone who would be interested.
1) Why is the story about Anakin's fall to the dark side? We know that he becomes Vader, why cant the movies focus on how Obi-Wan failed Anakin and as a result destroying the Republic? Anakin turning to Vader isn't a plot twist, neither is Palpatine becoming the emperor. We know that, why can't we learn about the complication that forced Obi-Wan and Owen tension.
2) Speaking of Obi-Wan and Owen, why does Anakin have to be from Tatooine? In the original movie, Luke says "If there's a bright center to the universe, you're on the planet that it's farthest from." I've always interpreted this as Owen (and also Obi-Wan) as running as far away from the Empire as possible. They are so far out of the central powers they are on the fringe with the villain and scum of the universe because they are so afraid of the Empire and Vader. Now that theory doesn't make sense, if Anakin is from Tatooine then why on earth would they hide on his home planet?
3) I hated all of Lucas' winking and nodding every time he referenced a character from the original trilogy. Oh you know Jabba the Hutt? Well his whole family is in this movie! You know Boba Fett, here's someone exactly like him! Chewbacca? Yeah hes in it too! Look everybody it's Star Wars! pffft (that is an attempt to make fart noises).
Ultimately the entire prequel trilogy failed because it was an attempt to explain the original trilogy rather than creating a new story with new locations and new characters that lead us to the final sequence of Obi-Wan passing the torch to Luke... Very much the way The Force Awakens is the original cast passing the torch to the new cast.
Thats my feelings on it. I'm sure many of us could go on and on and on about what is wrong with the prequel movies, but having just finished the entire series (san's episode I) its fresh on my mind.