BlackBerry 10's launch is just a few weeks away and it can't come soon enough. BB 10 will introduce new gestures to the BlackBerry and they look great. There will probably be a bit of a learning curve for users, but for the most part the gestures make sense.
Check out this video demo of the gestures that GottaBeMobile shot at CES. It gives a good view of just what is coming in BlackBerry 10 in terms of gestures. BlackBerry 10 is reminiscent of webOS in that there are not a lot of navigation buttons in the OS. In fact, I didn't see any navigation buttons. Users move around the OS with gestures. Once you get used to it, you won't want to go back to navigation buttons.
The BlackBerry Hub as well as the new predictive keyboard get a decent amount of time in the video.