Is Posteorus going premium soon?

Payments

Posterous requires a credit card to be on file for all paid accounts. Posterous reserves the right to bill these accounts for services. It is solely up to the user to downgrade their account in order to terminate recurring charges. Posterous reserves the right to terminate services to any delinquent account. There is a 15 day return policy for Posterous services.

Posterous may also resell third party services such as domain registrations. These services are provided by another company and Posterous makes no guarantees or warrants on them. There are no refunds for domain registrations.

via posterous.com

I heard rumors that they were. Today I noticed this on the TOS. Anyone know if this has been there for a while?