Of course there's always Option C) use the iwcp or iwupdate CLT or an actual file system copy to copy the files from the existing edition to an existing branch. This will NOT replicate the version history though, and a file system copy will lose the EAs. Note: yeah, iwupdate is not meant to do this but it used to work anyway.
Boris,Wouldn't this option be slow? Once I attempted to deploy from one teamsite instance to another instance. It was very slow. Just curious as to how fast it was when you tried.Thanks,-H