Holding out for a post-RIM version of the PlayBook? That waiting likely won't end any time soon. BlackBerry CEO Thorsten Heins used an interview yesterday to discuss the mobile environment five years out. Seems he's feeling particularly bullish about his own company's prospects. "In five years, I see BlackBerry to be the absolute leader in mobile computing -- that's what we're aiming for," he told the interviewer. "I
