Surfing the Arch forums yielded a post asking the Arch community to come up with something akin to ubuntuguide.org. The idea wasn’t trounced, but there were a fair number of responses that ran similar to this:
An alternative approach would be to update existing wiki articles where required, and add new ones if you think they’re needed. That would be my preference.
The irony was not lost on me: Most folks were content to rely on the forums and improve upon the wiki provided. Sigh.