Considering this leaked document, it seems to be that Bell will be releasing BlackBerry 10 on February 28th, a little less than one month from the January 30th launch date. Other news to consider it is showing a retail value of $799, if you buy it outright. I guess all these are rumors until we get more details at the BlackBerry Launch Event on January 30th, until then keep checking back in for more BlackBerry 10 information.
Source: BGR