At this point in time, Apple does offer both Dictation and Text-to-Speech, but when you take into consideration Siri integration, chances are Mac users will then be able to take advantage of voice-command as well as search functionality to boot. Maps integration, on the other hand, would mean developers can incorporate it into their own Mac apps, and it remains to be seen whether Apple will put up on offer its own stand-alone mapping app for the Mac. We await with bated breath for the official release of Mac OS X 10.9, and will keep a keen eye out for it on the grapevine as well as official news channels.