I am playing with DxScene and VxScene:
http://www.ksdev.com/dxscene/index.html
It looks very nice and powerful: 3d accelerated vector graphics, cross plaform, nice effects, many 2d GUI controls (vector based), good scaling, transparency, rotating (x, y, z), 3d models, etc. Even with many effects, the CPU stays very low (0%)!
http://www.ksdev.com/dxscene/snapshot/screen0.jpeg
But can it be seen as a good WPF alternative for Delphi?
And does anyone use it instead of normal Delphi VCL?