I've had Arai, Shoei, HJC, OGK & Shark . . .
how I'd rate them
1. OGK
2. Shark
3. Arai
4. Shoei
5. HJC
my old OGK David Jeffries replica FF4 was totaled in my last crash, and at the time the DJ rep was discontinued and the new FF5 wasn't out so I picked up a Shark RSR2. I like the RSR2 alot, very light, excellent venting, plush interior, great anti-fog visors, and easy change shield system, but . . .
my next helmet will be another OGK . . . better aerodynamics, great venting and the new FF5 shield system is sweet plus it feels lighter than my Shark :thumbup