I think he has the classic skate model (look below). He has a tonne of accesories on it too (obviously

), a NVG mount, industrial adhesive velcro, US glint tape, MS2000 distress strobe.
As for buying these helmets, seriously, try ebay, and look hard, sometimes these helmets will sell for just a few US.
http://www.pro-tec.net/classicBlk.html