Regarding the pacing thing, I completely agree but here's something that a lot of people aren't quite grasping:
That's done on purpose, as stated by Zack Snyder and backed up by David S. Goyer in several interviews I've read and even heard so far. So why is it done like that?
Ever read a comic book? Where a lot of stuff that could last a page or two is happening, and then you turn a page and... well, a new panel, a completely different point of view, in a different place, and it's like for some reason the story just jumped to this new place and point of view.
Take for example Kal's travel to Earth - just as he's about to actually arrive here, literally as the pod is mere feet from the ground we ...
Cut to the fishing boat, as if we'd just turned the page and we're staring at a new panel with new content to further the story.
I'm seriously surprised that so many people aren't getting that particular aspect of how this movie is laid out, quite surprised indeed.