Shopping is one of the top things people do on their iPad. Thanks to Apple and its new Apple Store app for the iPad, iPad owners can now shop for their next Mac or accessory using their tablet device. It's basically the iPhone version, just bigger and better on the iPad. If you want a detailed walkthrough, then head over to TechCrunch. Otherwise, you can grab it for yourself from the iOS App Store.Apple rolls out its Apple Store app for the iPad ori