Now this makes some sense...
http://www.motorcyclistonline.com/gearbox/mc_tested/122_1004_solfx_face_shield/index.html
CHIEF:
WAY TOO MUCH MONEY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!LOL
I guess that depends upon how badly you want the automatic tinting... I have glasses that do that... which is just as well since I wear a half-helmet.