Nothing wrong with pointing out in a constructive way why one might think the thread is not effective, the rule of "abide by my exact wish or get out" feels a little too strict. There's plenty of documentation available regarding the differences, and everyone's take on them is a little different, so the best way to get through it is to take 20 minutes to go through them, so you can get your idea, rather than someone else's. As for my take on the upgrade, it's a lot of reasons, but it just comes down to: a recent framework compared to a 5 year old one. It results in subtle and not-so-subtle changes in everything.
For a final release before Dec 10, we would need a RC1 just about this week then. Considering Pages has not entered Beta stage yet and neither has Commerce, that sounds difficult, although utopistically possible. We shall see. I am eagerly waiting for a proper beta with pages to begin working on it all.
Wordpress nowadays is a CMS/Blog, Pages and Blog are respectively CMS and Blog, so it's not a weird question. I would assume you can move the same stuff if not more, but let's see what the Staff says, I would be interested too.