This is gonna be a big eventful evening on October 11, 2010. Microsoft has made all the preparations to announce the launch of its all new smartphone worldwide on this date. After Microsoft announced the OS in February, 2010 at Mobile World Congress, it is now ready with launch of its new OS also. 11 October, 2010 will be Windows Phone 7 event and the preparations for the special day are on full swing. In USA, November 8 will see tha launch of Windows Phone 7 after it happens in Europe on October 11. For all the details on WP7 phone, we will have to wait for the day itself. HTC Desire HD and Desire Z are also expected to be available in India.