Laptops are great, but sometimes it’s simply just more convenient to use a tablet like the iPad Air. The Air’s easier to carry, after all, and still powerful enough to handle everything from streaming to taking notes and reading. And right now, the latest version of the Air is down to a new low price. The M3-powered 11-inch iPad Air with 128GB tablet is available for $449 ($150 off) at Amazon, Best Buy, Target, and Walmart. The 13-inch 128GB model is on sale as well, starting at $649…