Merging) Support. It was part of the official site at one point, so I don't see why not.
Mainspacing) Support. I would like to see this get mainspaced, but it seems a little...blank/unfinished looking. Maybe if we can clean it up a little before mainspacing that would be ideal.
Moving) Support. Yes please, this debate has been going on for far too long.
Splitting) Support. These machines are predominant enough to warrant them having their own separate article.