In other news, David Chase announced an extended Soprano's DVD where the ending will be spelled out with a wide shot and director commentary.
Anyway, adopting the perception and language of an "extended cut" is about the smartest way to approach this, but if the reaction here is any indication then Bioware is wasting their time trying to please a fickle audience at the expense of their credibility. Most of the proposals for change range from unnecessary to stupid, frankly, and in my subsequent playthroughs of the climax to see the ending variations I've come to notice and appreciate just how much was actually geared toward it in the lead up and the thought put into it overall.
The more I look at it the more I find fault with the fans claiming they put so much into this that they deserve more, yet they obviously put little effort into appreciating the ending. Not that it's greatly satisfying, but it isn't the lazily tacked on mess people are claiming. I think what creates that perception is a combination of compromise on Bioware's part to serve many different complicated purposes in a single elegant fashion (which will only be harder the 2nd time around), and laziness on the fans' part to understand that and how it does work. Furthermore, it's not so easy to just "fix" by patching things on as people would like. There's a balance to these things, and adding or changing something you didn't like can also change the meaning of things you did unexpectedly. Bioware had their reasons for revealing what they did or didn't, and going forward the purity of that reasoning has obviously been compromised by irrational fan demand, and an irrational need to please by Bioware (well, at least they've got money at stake).
Like Aaz, I hope they don't outright change anything that would spoil what was left possible by the endings or try to spell too much out for the audience, specifically concerning the characters futures, the indoctrination theory, or lack of it, etc. This is only going to upset those that did find something to like about the ending, while likely nothing will satisfy the ending's most vocal detractors, who I suspect have found validation in this identity and would be more satisfied in hearing themselves echoed on blogs and in gaming articles, which are also going out of their way to please fans (several outlets and authors have egregiously flipflopped on the ending and the necessity to augment it once they saw which way the wind was blowing). My hope is that Bioware will somehow make the best of this and please everybody, but I fear it's more likely going to be a case of, "be careful what you wish for."