To root or not to root? For savvy PlayBook owners running beta 2.0, that should no longer be a question. With the recent release of DingleBerry, users comfortable with command lines have been enjoying superuser privileges on the slate, but the fun could've been short-lived. RIM moved swiftly to issue an update that addressed the security hole, effectively crippling the exploit. But as hacker Chris Wade made known via Twitter last night, a new workaround has already been finagled. Full And