The design looks like it allows a closer fit around the neck, which in theory should reduce noise...... possibly at the expense of ventilation making it prone to misting? Its an Aussie design and last time I was over there I didn't encounter many frosty mornings!!
Seems easy enough to get on or off though, especially if you're a specs wearer....
Internal sun visor and pinlock are a must have for me so in its current spec its not something that I'd be interested in buying but I will watch with interest...