I'm have a full international subscription to ancestry.com but I'm wondering what other sites might be worth joining, even if a fee is involved. I'm talking about sites like footnote.com, genealogybank, etc.

Do any of these other sites have info that can't be found here?

Of course I know that many sites are available for specific names, but I'm referring specifically to these general genealogy sites that can be used or any surname.

Any suggestions?