Research in Motion may not have found itself in a coveted spot as 2011 ended, but if it's learned anything from HP, there's a surefire way to rid itself of remaining BlackBerry PlayBook inventory: sell 'em for a loss. After the unloved slate went on sale in its native land, Americans can now save up to $400 on a PlayBook through February 4th. RIM's official webstore is offering the 16GB, 32GB and 64GB model for $299,
