Although this news isn't confirmed as yet, but it has been learnt from various sources that starting from this Friday, AT&T is starting its Christmas sale for the holiday season by offering upto 50% off on all RIM BlackBerry smartphones with new activation and minimum $30 monthly data package. It is believed that Verizon Wireless will also be joining AT&T on the same day by going a step further and offering, the Buy-One-Get-One-Free promotions on their popular Android handsets, the Motorola Droid and Droid Eris.