I'll spread the word.
You might consider writing privately to the administrators of relevant RootsWeb mailing lists and asking them to post your message on their lists. See http://lists.rootsweb.ancestry.com/index/index.html
names of lists.
All list admins can be contacted using the address LISTNAMEemail@example.com
, substituting the list name for LISTNAME.
Good luck with your project.