This is actually a gamengine/renderingengine on which u can develop games in python.
If u want to achieve high performance you'd rather use c++ and directly access libs like nvidias cg, ms directx or opengl...
for a "hello world", understanding how the 3d enviroment works and so on panda3d is a really good start.
cheers
tc -- http://mail.python.org/mailman/listinfo/python-list