How did you do the textures? Are the diffuse textures as easy as a flat color with an AO bake on top? Using spec maps to make it look less bland? Also, I'm really looking forward to seeing those tutorials. I'm loving your work.
I dig the scene and lighting. One question I have though - why are we not seeing any bounce color in the lighting? I would expect so many of these highly saturated panels to bounce color everywhere. Maybe up the diffuse boost on the materials and hand place some colored fill light? Looking ace! -Tyler