Hey Duga,
I love the improvements!! Coming along really nice!
However, look at the shape of the window -- now look at the shape of the lighting on the wall behind the chair -- they aren't the same shape (and maybe needs some blur to it too -- try guassian blur about 2 pixels, maybe 4pixels)
I might also blurr the chair's shadow too -- maybe some guassian blur of 2 pixels may do the trick! Plus a little distortion to the shadow to make it cast in the proper direction -- right now it casts like the light source is right in front of the right corner of the seat!
Otherwise -- VERY NICE!! [righton]