The Mac App Store has arrived and with it comes access to more than 1,000 different free and paid apps. While nearly identical in design to the iTunes App Store for iOS apps, the Mac App Store represents a big shift in Mac application discovery and development. We’ve already done a walkthrough of the new store. What follows is our analysis of the overall store experience after spending the last few hours exploring the store, downloading applications, comparing the release to initial expectations and ruminating on how it will change the developer ecosystem. If you’ve yet to experience the Mac...