i know how to cahnge to an area light but i dont see any MR area light options in maya.
if yo want an area light you can chagne it from a spotlight in the attribute editor
27 Mar 2008
THANKS, Ridestowe! I think the tutorial misspoke.
28 Mar 2008
Select your spot light and go to the attribute editor (ctrl-A) and under the spotLightShape node tab, scroll down to mental ray, hit the arrow option to expand. Expand the option Area Light and check the box next to Area Light.