What is iOS 8 like on the iPad Air? Is it slower than 7? I read that on the iPad 3 and iPhone 5 it is laggy, especially Safari. (what a rhyme!) I ask because I'm planning to get the 5S and the Air soon. Still waiting for prices to go down a little. Also I'm not sure if it makes a difference, but I'll be going with the 128 GB Air. I heard that the higher the storage of SSDs, the faster they are. But for the 5S I'll probably be going for a small, perhaps the smallest model.