My brother alerted me to Writely, an online, collaborative word processor which can read or save documents in both Word (boo! hiss! down with the Evil Empire!) and OpenOffice.org (Viva la open source!) formats. (You can even post the finished document to your blog!) Seems like something that could be a useful tool.
It’s now in open beta. When it goes final, the basic service will be free but certain bells and whistles will be reserved for a paid “pro” membership or some such.