Whether or not you think the iPad is in and of itself a worthy purchase, let's not forget the investment doesn't end at the retail counter or online shopping cart. Two little newsbits have popped up to serve as a helpful reminder to just that effect. The first comes way of verbiage from the iPad end-user licensing agreement dug up by MacRumors; in a nutshell, it suggests that while iPad OS 4.x updates will be provided gratis, subsequent releases (5.x, 6.x, and so on) could be offered at a premium, à la how iPod touch handles firmware. This is far from a confirmation, but it's well within Apple's right to do so. The second bit is derived by The Consumerist by way a