HotHardware posted a detailed look at Apple iOS 4.2

As far as iOS releases go, this is just about as big as they come. Not since the iPhone OS revision that introduced Apple's App Store to the original iPhone has there been a buzz surrounding one of Apple's iOS releases, and for good reason. Much in the same way that Android 2.2 had significant impact on the path of Android's future, iOS 4.2 will surely dictate some of iOS' future. iOS 4.2 is significant in that it's the first major operating system update for the iPad, which was released in March. It's also timely. iOS4.2 is brings true, native multi-tasking to the iPad just in time for the holidays.

Do these updates make the iPad worth re-visiting if you skipped over it the first time? If you'll recall, we actually stated in our original iPad review that the iPad's potential was greater than its current level of execution. We knew that a more robust version of iOS could turn the iPad into a true tablet powerhouse. Is iOS 4.2 the OS build to finally do that? And does it make the already-hot selling iPhone 4 and iPod touch any more attractive than the already are? Let's find out.

  A Detailed Look At Apple iOS 4.2: Refinement and Enablement