feedback on a kitchen (blender newbie)

Hi all! I started using blender on monday because i wanted to model my next (maybe!!) home… i’m beginning from the kitchen. After reading tutorials and doing some experiments my last result is this:
What do you think? What i don’t like:

  • lights (i’m reading but i don’t know how to do them better…)
  • the ceiling wood (and table)

My blend file is here:
Another problem is how to organize models in the blend file… I started doing a lot of groups but i think should begin to use more layers… What do you do usually? A model for layer and then a layer for the whole scene? Any tutorials on this? I’m a developer and i hate to see bad code :slight_smile:

Thanks all!