CrackBerry has just dropped word via "numerous sources" that RIM will be revealing the next iteration of its mobile OS at the fast approaching BlackBerry World conference -- and no, it's still not QNX. Despite consistent rumblings that upcoming devices like the Bold Touch, and Monaco would be launching with OS 6.1, it seems that RIM has decided to re-brand the update completely as BlackBerry 7, perhaps to increase the value proposition and differentiate new devices being announced along with it. However, the site also speculates that current