Not exactly 'programming', but figured this would be the best place. I upgraded to Xcode 4.2 last night. Tonight, I swapped out a drive in my Mac and reinstalled Lion. App store is showing Xcode as purchased (I still have the "old" drive) in the system.. I uninstalled Xcode, and still shows as purchased. I happened to have the 4.1 Xcode Installer handy, so I installed that.. App Store says no upgrades available. The 'ALT' trick while clicking on Purchased does not let me redownload 4.2. Any ideas?