That's awesome and techy
but at 150pounds, that's like $230ish right...
I couldn't find a clear weight comparison table, but Revzilla has the Shark Speed-R at 3lbs 7 oz and the Corsair V at 3lbs 6.4oz.
The snell rating would keep me using my Bell at the track (or a corsair V if I had one), but I've also read that the snell rating is geared more towards high speed impacts and that can leave you with a harder shell that doesn't absorb the typical < 70mph street accidents as well as just an ECE and DOT rated helmet. I'm sure I just opened pandoras box there but let's see what happens