Just found another forum where someone posted a fantastic photo of their Shure M97xE from the front. It looks IDENTICAL to mine. Scroll down the page about 75% of the way. He overlayed blue lines on the image and calculated the degrees it was off to be about 3.6.
check it out:
http://www.vinylengine.com/turntable_forum/viewtopic.php?f=19&t=70115
check it out:
http://www.vinylengine.com/turntable_forum/viewtopic.php?f=19&t=70115