Dell Inspiron 15R 5521 Laptop is a blessing for those persons who wants long battery life, smooth touch, big size and fast speed.It is best for watching movies and listening songs due to awesome sound quality card installed in which by dell.And it is also worth-full machine as well for doing codding because I have run Android Studio, Unity and 2, 2 platform on it simultaneously(Windows-8 and Ubuntu).Overall its recommended experience for me.