Recently picked up a pair of helmet units from here. Very pleased.http://www.cardosystems.com/scala-rider ... 4-powerset
Noise suppression from wind and engine noise, excellent. full-duplex rider to passenger, or bike to bike, great. hands-free blue tooth phone receive, and voice dial, great. blue tooth GPS audio, and on those long slab stretches, blue tooth to your mp3 player, and a built in FM radio with six programmable presets.