Try Brice's shader for instance. Does it load and work correctly? http://boards.polycount.net/showthread.php?t=49920&page=7 I think the BETA4 version is his latest itertaion, at the bottom of that page.
Wow this shader is exactly what I have been looking for. THANKS Kodde!!! I started using it with the basic diffuse, normal, disp, and spec maps with pure success. Using just these alone yields a 4x improvement to the maya viewport! Not having to leave maya and being able to author assets in less apps is always a plus. I'll…