John, the color is actually dark brown, between dark oak and wenge.
I haven't decided on the style, and I am not that concerned about it. It will probably be a blend of different styles. I will avoid too much ornaments and difficult shapes - less is more!
I've gotten a lot of images of different smaller instruments, and "something" is emerging. But I still welcome inputs, thoughts and ideas.
The color scheme will be dark brown, since the pedal board and the keystack is painted in that color. The pipes will be polished (is it a good idea to use a clear laquer on them?) with black speaker fabric behind (the speakers will be placed behind the pipes and the fabric). Perhaps with details in light oak. I am not strange to the idea of adding gold-colored ornaments above the pipes (pipe shades?), which will be of different heights. Time will show...