Prepare your wallets, mortgage your house, and start looking for odd jobs around the neighborhood, because Apple's new iPad mini with Retina display looks to be one of the must-have gadgets of the year. By combining a small frame with a faster processor and a better screen, Apple's taken everything we loved about the original Mini and pumped it up a few notches to keep the tablet competitive against the Android tablets slowly invading its turf. We've already extensively compared two such tablets--Amazon's Kindle Fire HDX and Google's new Nexus 7--but it's time to throw the iPad Mini into the fight and see how it fares against these two 7-inch juggernauts when it comes to specs, price, and ecosystem.Specs ain't nothing but a numberMuch as with phones, quad-core processors ar
