Blackberry OS 4.6 Coming?

It’s rumored that the Blackberry Bold (9000) and Thunder (9500) could be ushering the long-awaited Blackberry OS 4.6, and the rumors seem quite true this time. There is a new listing at Horizon Wireless Online which details the upcoming operating system, states that it will bring along richer web browsing, click zooming with the trackball, Music Sync, and an option to select the Home screen grid size and support for continuous spell checking.