Of course Lucasfilm will release a huge box set version. They're not stupid, just like the CPU-wars a few years ago, the companies are releasing everything in small steps so as to make more money for themselves and the development of the new, improved and acceptable versions.
Personally I think Lucasfilm should be ashamed at the 2004 release though..... I mean since around 2001 DVD manufacturers have been looking at ways to make especially box sets enticing to the consumer. Look at the Indiana Jones or Godfather box sets. They look good and definitely look like the studio did more than just bung the stand-alone versions in a piece of cardboard.
Films like Lord of the Rings immediately saw the benefit of this type of marketing, I mean those collectibles are really quality items that add to the consumers enjoyment of the product. Star Wars the films that changed the world of filmmaking just get a two-piece cardboard sleeve. Hurray Lucasfilm (NOT!!!). Unfortunately since the studios moved into the hands of corporations somewhere in the sixties, they aren't really concerned about quality just about making the next hit film which make millions for them. Somewhere along the line we seem to forget that this system is only fair when you are on top of it. We little people are being given our little snippets of film to keep us occupied so we don't remember about the things that are wrong around us. Starting to sound a bit like Star Trek but.... it should have a valid point.
Sometime in the next decades there will come along a new film that will push the boundaries of possibilities and vision, and only the versions we ourselves choose to preserve will be remembered,
Choose wisely....