sidebar:
glance at this thread about someone losing intersest in the sport:
http://www.roadraceautox.com/showthread.php?t=34295
then note this comment:
glance at this thread about someone losing intersest in the sport:
http://www.roadraceautox.com/showthread.php?t=34295
then note this comment:
I go back and forth. At the moment, I'm leaning towards "sick of it." That usually happens right around the time I'm facing spending big money on something for the car.

its about the same logic as the mandate/spec once you cut through the BS! 
Protection as far as I read the tech info is equal to the Issac & way better than the HANS. No additionasl lateral load reduction devise required as is required for the HANS.