It slashed prices, promised the moon on a stick for next year's OS upgrade and now Research in Motion has resorted to just giving the beleaguered BlackBerry PlayBook away. Purchase a copy of BlackBerry Enterprise Server v5 between now and the end of the year and you'll bag a free 16GB tablet. The offer is open to everyone in the United States and Canada -- except Quebec -- who want the only tablet that's packing the full BlackBerry experience (sans email, messaging, calendar...).