Hum, I think the main problem of Unity is about the shader. Didn't find a way to make a shader composed with diffuse, specular and normal map together, unless you download a shader node editor or you have to write a script for it.
I think unity free does have a shader that does that. With the free version, you can not build your own materials a la max or UDK (unless you download an extra script) but it does allow you to pick from a handful of standard materials. You just add some textures to them. Aha: http://unity3d.com/unity/features/shaders Quite…