Here's a rare find: Little River Co., Arkansas 1898 List of Electors -- it's a listing of folks who paid their poll taxes and were eligible to vote.
I think obscure resources add the most flavor to your research... so how about the American Magicians Society 1930 Members List -- magicians from across the country.
These are just some of the 19 resources published today. Every week I send out a complete listing of the items added. If you'd like to join this RootsWeb mailing list called GenToday-L, click here for instructions.