Did you actually check before writing this article?
I still can't access the PSN store directly or via LA Noire. Infact accessing the "Downloadable Content" screen on LA Noire causes it to lock the entire system up so it doesn't respond to anything but being turned off.
I've completed the game and all I want to do is download the pre-order bonus content, but alas I can't as everything goes through PSN. Hopefully the past couple of months will encourage game developers to host their own content on their own servers.