Apple today announced it expects to deliver over two million copies of Mac OS X Tiger by the end of this week, including copies sold at retail, copies delivered under maintenance agreements and copies bundled with Mac systems shipped, making Tiger Apple’s fastest selling OS release ever. Developer support for Tiger is also setting new records, says Apple, with hundreds of developers including Microsoft and Adobe announcing support for Tiger. To date third party developers have released more than 400 Dashboard widgets, 550 Automator actions and 40 Spotlight plug-ins for Tiger.