The BlackBerry PlayBook may not have exactly won over consumers en masse, but it looks like RIM can now at least put a feather in its cap when it comes to one of its key customer bases: government agencies. The company announced today that the PlayBook is the first tablet to receive the so-called FIPS 140-2 certification which, according to RIM, means that the US federal government can "buy with confidence knowing that the PlayBook meets their computing policy requirements for protecting sensitive information." Of course, those agencies will still need to make sure to supply a BlackBerry smartphone as well so folks can access