Importantly, there is no mention of battery life on PlayBook's spec sheet. The iPad's 10-hour life (and we've tested that to the minute) seemingly remains a huge advantage.
Now, BlackBerry's security features may well translate for business use. And some may want that smaller screen, too, as it improves readability for email, while discounting that airport playback of 'Inception.'
RIM has some time to ramp up cred for the new product, but so far the whispers speak volumes.