All things being equal I'd prefer the original crawl, but I'm not expecting it and it's certainly not something I'm going to lose any sleep over if it's the ANH crawl. If everything is 1977 except that, I think people screaming about having the original crawl will look a little cranky. Let's put it this way...if the 77 film in its original form were restored and put out in HD years ago like any other classic film, but with the ANH crawl, I doubt there would be world wide movement to get it put back in there. Sure film purists would want the original crawl, but IMO it's only a big issue when combined with everything else that's been done. That said, I guess the best thing with the crawl would be seamless branching.

Cleaned up matte lines is something I'm agnostic about, I'd be fine either way on that as well. I think they will probably clean them up, and if the film is otherwise untouched (i.e. no 1997+ changes), the vast majority of fans, including those angry about this issue, will be satisfied.

The sound mixes and colour correction is another matter, and who knows which way they'd go with that.