IPB is pretty good about providing permanent links to content that don't decay or break. There's a "Pages" feature that we don't currently use that'd be good for publishing fixed reference material at a specific, easy URL, so maybe we could eventually push specific guide material to there.
For better or worse, the PW people have decided that ParagonWiki is going to remain crystallized as it was on the date of the live shutdown, and not allow any edits about the content updates on any of the private servers. We've been kicking around a project to either fork PW and edit it, or make a Homecoming-specific wiki that only contains new information and links to PW for things that haven't changed, but that's a big project and finding time and resources to do it ourselves in a non-half-assed way has been difficult.