It's Verisign and Register.com all over again.... You might want to keep your eyes out for domain renewal notices being sent out by the Domain Registry of America. They also go by the name of Domain Registry of Canada, Domain Registry of Australia, Domain Registry of Europe and probably some others.
I received a notice from them today, despite my domains being with Verisign (ack) and being months before my renewal is due. The notice looks similar to an invoice and if I wasn't alert I may have completed the form - despite having no wish to transfer my domains to them.
You can find news stories and more info here:
Some sites have alleged that the mailings breach US postal law because they do not include the appropriate disclaimer in large enough type. Apparently (allegedly?) they should be like the following: