Courtesy of Blackberry Cool:

WES Exhibitor Spotlight: Vlingo | BlackBerry Cool

Vlingo’s speech recognition technology is behind the recent release of Yahoo! oneSearch. They also offer their own search app called Vlingo FIND, which searches locally and includes maps. They’re developing an app that will add speech recognition to pretty much every aspect of the BlackBerry: calling, emailing, text messages, memos to self, and more. WES, of course, would make a perfect venue for release…

vlingo

Looks like it's not compatible for blackberrys yet. Hopefully it's coming soon.