According to AllThingsD, the reliable technology blog operated by The Wall Street Journal, Apple will be holding an iPad focused event exactly two weeks from today, on October 22. Now, Apple typically likes to run its big media events on Tuesdays and October 22 is a Tuesday. It's also six days before Apple's upcoming fiscal 2013 fourth quarter earnings release so it should be a boon for the stock price.
And as per the obligatory "people familiar with Apple’s plans" (read: Apple's public relations department), the invitation-only event will focus on new iPads, though new Mac Pro and OS X Mavericks should get some stage time as well...