Though there's no getting around the fact that Plaid Doctrine's new iPad Sleeve ($79) is expensive by any standard -- particularly given that it's really just a sleeve -- the company gets a little extra credit for some of the details of the design. The case is made using fabrics that come from recycled bottles, an eco-friendly fact that you'd never know from looking at the cool materials, and there are two generous pockets on the front that can hold…
