For Windows 8 users, this is the first time that the Windows Phone emulator works on this platform. Although Microsoft warns that emulation performance may not be optimal, developers wanting to run on Windows 8 are usually preoccupied by architecting their apps to run properly on both Windows Phone and Windows 8 than they are about actual performance and now developers can choose which target they want to debug with: actual handset, Phone emulator in 256MB or 512MB. Read the full story here.