Dave, Just a thought on the moving out topic. I've been considering this myself thinking that it could help alleviate some tension and show some goodwill on my part. If my W wants time apart, maybe this is the best way to give her that, but I was talking to my sister last night and she pointed out something pretty sobering. If you look at the situation from the kids perspective, they will only see that it was Dad that walked out. The won't see the nobility of this move on your part. They won't see it as a sacrifice that you are making to try and save a shakey marriage. I know all things heal over time, but I would hate to give my kids this impression considering I'm not the one that wants to see my M end.
Hate to muddy the waters even more, but this hit home with me when she pointed it out.