http://www.opengl.org/pipeline/article/vol003_7/
from the article:
"So Windows Vista is here, but what does it mean for an OpenGL user and developer? In this article we will try to give OpenGL application developers a quick peek at what to expect and the current state of OpenGL on Windows Vista."
http://www.opengl.org/pipeline/article/vol003_9/
from the article:
The Khronos OpenGL ARB Working Group has received requests for clarification concerning the performance of OpenGL on Windows Vista.