The iPad Air has arrived, and we can't wait to get started with our testing. But before we roll up our sleeves and get to work on our iPad Air review, we decided to give you a first look at Apple's new tablet in this video report.Unveiled last month, the iPad Air is probably the biggest change to Apple's tablet lineup since the original iPad's release in 2010. I'm particularly interested to see how its battery life fares in our tests. Apple shrunk down the battery to make the iPad Air lighter and smaller than previous full-size models, and yet, this new tablet is expected to match the battery life of the fourth-generation iPad--or even improve on it.I mentioned in my iPad Air diary that I'm intrigued by the A7 processor inside the iPad Air. Specifica