There's been plenty of back and forth between the web and RIM lately regarding the debut date of the next OS release for the PlayBook, and now we've got some hard evidence showing that the software is set to be let loose on February 21st . As you can see in the picture above, PlayBook users will be able to download version 2.0 in the early hours of an unknown time zone next Tuesday. The much anticipated update will finally give the tablet a native email client, improved BlackBerry Bridge functionality and plenty of other goodies. Not only that, Blac
