It should be available now. Few details have been released.
from http://blog.us.playstation.com/
"If you’ve signed in to the PLAYSTATION Network tonight on your PS3, you probably noticed that you were prompted to upgrade the system’s firmware to v2.17. In case you were wondering what it’s all about (and a quick Google search indicates that yes, you are) the operating stability of some online PS3 titles has been improved."
EDIT: Sorry, its already being discussed in http://vgchartz.com/forum/thread.php?id=20388
This thread can be locked if it leads nowhere new. Thanks :)







