Here is why I am happy with the news we've received thus far. We know how this team operates. They draw heavily from the source material to define their own version of the characters. With them using The Man Of Steel as a source I would say, and this is simply conjecture here, that we are going to see a significant portion of that run brought in as the ground work from which to build. Much like we saw with The Man Who Falls and of course Year One with BB.
As to the Origin, I have to go back to my memory on this, but I'm pretty sure Clark didn't find out he was from Krypton until after he started as Superman in MOS? If they are using MOS as the template that would seem to me to be how this will likely play out. His origin a mystery of sorts, likely connected to Brainiac, will be revealed through the film. That may be what they are referring to. Story wise that is far more compelling at the very least. As for Byrne's powering down of Superman, he was and in this film will be powered down, compared to what? If he is the most powerful man in the story than who is to say he is powered down? I mean really what is the reference point. Just because you don't see him do something doesn't mean he can't. I'm sure there will be elements from many silver age stories involved, much the same way they used stories from the silver age to define and flesh out BB an TDK. Just because this will be based primarily on Byrne's MOS doesn't mean it's a direct translation.
Look as a group we all have a way of feeling and feeding the hype. We make broad assumptions based on minimal information and a lot of times we derail our own hopes by getting in *****ing matches over the detail of an S or the strength of a man's jawline. It's ridiculous and fun and a little sad. What we know right now is simply this, Christopher Nolan was reported to be mentoring the Superman franchise, Goyer is writing it, Jonah Nolan may be involved somehow as well. It has been reported to be based on MoS and to include Lex and Brainiac. Everything else is conjecture. Everything else is our own hype. Our own arguments that existed here well before any of this started and will exist well past. Perhaps we need to separate our petty little fanboy disputes from the movie for once. Pre-Crisis or Post Crisis, it's still the big blue and I'll be sitting in the theaters if this news proves to be more than rumor and I'll forget about all my little opinions and enjoy the movie. Sure I'll ***** afterwards but chances are I'll ***** with a smile on my face.