
I'd file this as a rumor at this point since Lucas has said there'd be no more movies, but then we all know how Lucas changes his mind. If anything, the overwhealming popularity of RotS may have led to this...
From http://www.moviehole.net/news/5674.html
A prequel to The Phantom Menace?
Posted on Wed, 25-May-2005
He says he's finished, but like a two-year-old on the Loo - has he really?
George Lucas tells a scooper for Cinescape that in the back of his noggin' he has an idea for another add-on to the "Star Wars" movie series : A prequel to "The Phantom Menace".
Nope, not the adventures of young Jar Jar Binks building an underwater haven - but the tales of the Jedi regaining control of the universe from the many Dark Lords some 88 years before Anakin Skywalker's bowl cut ever graced the earth.
Yoda - who was instrumental in the effort - would apparently have a headlining role.
Granted, Lucas, now 60, says he won't be captaining such a ship if it ever happens though. What's the bet FOX is going to lock him in a room, tie him to a chair and request he does anyway though?
Personally, I say go the sequel route - earring adorned Harrison Ford back as vest wearing Solo, whiny Skywalker training Jedi Tykes, C3P0 getting into trouble at Mardis Gras - much more interesting : and Hey, we've already got "Knights of the Old Republic" the video-game to serve as background info on the pre-Anakin days.
Meanwhile, "Revenge of the Sith" hogs the screen at every multiplex and is making quite a packet in doing so - it's now one of the biggest films ever. Yep, bypassed "Mannequin" about five minutes into it's first screening.