Hi, Perhaps I''m getting a little ahead of myself since I simultaneously started learning OpenGL, objective-c, cocoa and Interface builder...but I cannot figure out how to get interface builder linked to an actual opengl window... I''ve tried using the GLUT framework (which seems to subclass useful things like NSWindow and NSOpenGLView), but after about 9 hours of effort, I got nothing. All of apple''s docs say "fill this in later" or "someone document this!"...that sort thing...which seems to be generally common for apples docs... I haven''t found anything on the web (except your tutorial, which doesn''t cover interface builder stuff...as nearly as I can tell). anyone have any advice? Matt