Boss airbag kits

Has anybody ever used these and what was the results,,, don't see alit of info or reviews on these,,, I can get a whole kit bags , compressor,, gauges etc delivered to my door for 525$,,, any direction and info would be great ,,, thanks in advance

http://www.bossglobalinc.com/toyota-load_assist.html

 

So i finally had a chance to install the bags on the truck they are great ,,,,install was straight forward with only one phone call to the dealer lol

 

heres a couple pics,,,,10 psi lifts the truck 1.75" with only slightly stiffer ride,,combined with 5100's all around and the fronts set at 1.75" truck sits exactly where i like it,,,will post pic in the am of the whole truck