That's exactly the case with the Amex Platinum card.
New titles are announced every month, to be downloaded immediately or added to a library for later access, before being replaced by a new selection of games.
Sony encourage registrants to use a unique email and strong password not associated with other online services.
These extras include to upcoming games, regular PlayStation Store discount, occasional discount on a variety of non-PlayStation related products, and the ability to have software updates download automatically to the console.