First i must say sorry for my bad English skills.
I would buy the Leadwerks software but only i get what i need.
I dont know what is in the engine right now but it would be cool to have all these things in my list.
as an example of what it is,here an list:
Support of 8k Textures/Decal textures
Support of animated Decal textures
support of more than 32 different (color and brightness) static and dynamic light sources of one Face/side of an static or moving 3D object.
Filmgrain Shader with Color Correction
PHONG Shader
RIM Shader
Radiosity - Global lighting
Jigglebones for Models
Soft Particle Effect with no Hard edges any more.
http://www.moddb.com/games/overgrowth/news/soft-particles
Radiance Transfer lightning
Inirect Lightning/Illumination
3D Skybox and animated Skybox
Dynamic shadows
https://www.youtube.com/watch?v=-zfwxKHGO4I
Ray trace reflections with Depth Map Shadows
Self Shadowing Bump Mapping
(sorry no example)
Fresnel effects
https://www.youtube.com/watch?v=FFmXPAYBqI0