Some Mac Pro users have launched a Facebook petition (http://www.facebook.com/MacProsPlease) urging Apple to finally get around to updating the Mac Pro — or at least informing users of the company’s plan for its pro desktop.

The first post reads: “Hello Apple. Remember me? I’m one of your loyal users. I’m one of the guys who has owned 2 MacPros, a G5, a G4, 4 laptops, one iMac, 4 iPods, one MacMini, 4 iPhones and a bevy of other peripherals and software packages over the last 10 years. I’m looking for a little clarity.

”Can you please let me and the other people on in this group know what is going on with the MacPro? Its been neglected for far too long. We realize all the success of the iPad and iPhone and we’re really happy with our new toys. But unfortunately many of us need to make decisions on hardware for professional uses that allow us to make a living.”