I found this nice playlist of general tips. Particularly I am interested in the first video.
You can clearly see, at about 1:50 that the author is using a value of five in his subsurface modifier. I can only go as up as 6 though, and as a result my shape is not that much smooth.
Is it something on my end, and if yes, how can I make this shape completely smooth?


Smoothinstead ofFlatfrom the button on the left as can be seen from the image above. I am not sure if the wireframe will be of any help as there are simply too many white lines close to each other to make anything out. – ealiaj Nov 30 '15 at 11:18