They have replaced the old "additional driver" aka jockey with the new "additional driver" hidden in softeware-properties-gtk (usually accessed through synaptic or the usc) since 12.10 (?) Aside from the fact that it is hard to discover for the uninitiated, does it even work?? I tried several times but it never worked. I click "apply" and the thing just went on forever without really doing anything. I got impatient and simply closed it and installed the drivers directly from synaptic.
What is your experience? Does it ever work for you? BTW jockey always worked and it would popup to alert you, I don't know why they replace this great piece of software with something so crappy (even if it works it is still crappy because it is hidden, and I am not even sure that it works, hence the thread)