The BB OS 6.1 update that grew too big for its name has just been made official by RIM as BlackBerry OS 7. Its ambassador into the wide world of smartphones will be the newly minted BlackBerry Bold Touch, which is expected to arrive "this summer." What can you look forward to? The user experience is promised to be both easier and faster, voice-activated searches are available for content both on your phone and the web, and the browser has been "significantly enhanced" with new features like a JIT (just-in-time) JavaScript compiler and HTML5 Video s