This is better than nothing, but here's the problem I have with it. Most of an application's space (at least larger ones like games) will be taken up by graphics, specifically images and/or movies. The iPad's screen contains about 5x the amount of pixels as the iPhone's screen. That would imply that iPad app binaries would be about 5x larger than an iPhone app binary, and even bigger if they implement this universal binary scheme. So doubling the limit helps, but it's not nearly enough to cover the difference, really.