Sorting by the number of articles in that language's Wikipedia might be a nice option. The articles in the more popular Wikipedia's might be more likely to be closer to "featured" status. I pursued a similar thing for categories. I have a script that sorts the articles in a category by their popularity according to the traffic statistics that I find to be a useful.
> From: lydia.pintscher@wikimedia.de
> Date: Tue, 12 Mar 2013 18:08:45 +0100
> To: wikidata-l@lists.wikimedia.org
> Subject: Re: [Wikidata-l] wickiana, not all interwiki links can be seen?
>
> On Tue, Mar 12, 2013 at 12:39 AM, rupert THURNER
> <rupert.thurner@gmail.com> wrote:
> > great, that works perfect! the sort order might be a little "unusual"
> > so to say, as e.g. Bahasa Indonesia comes after english. i understand
> > of course that the key, id, comes after en.
>
> Did your Wikipedia use another sorting order before Wikidata? If so which one?
>
>
> Cheers
> Lydia
>
> --
> Lydia Pintscher - http://about.me/lydia.pintscher
> Community Communications for Wikidata
>
> Wikimedia Deutschland e.V.
> Obentrautstr. 72
> 10963 Berlin
> www.wikimedia.de
>
> Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V.
>
> Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg
> unter der Nummer 23855 Nz. Als gemeinnützig anerkannt durch das
> Finanzamt für Körperschaften I Berlin, Steuernummer 27/681/51985.
>
> _______________________________________________
> Wikidata-l mailing list
> Wikidata-l@lists.wikimedia.org
> https://lists.wikimedia.org/mailman/listinfo/wikidata-l