At last, the prophecy has been fulfilled: the second half of the coming of the iPad is upon us. I have in my hands (well, on my ottoman as I write this), an iPad Wi-Fi + 3G, which is Apple’s somewhat long-winded moniker for describing an iPad with cellular data access on AT&T’s network (here in the U.S. anyway). Having used a Wi-Fi-only iPad for almost a month, I can safely say that the $130 option for adding 3G is a big deal. But, in terms of how different this new, strange iPad is from the models we’ve already seen, let’s give it a rundown. – From Mac World