A new version of the SMH-5 is out, main changes I see are it can now pair with three other units instead of the previous one and it has a built in FM radio!
Now called the SMH5-FM
Review - http://www.webbikeworld.com/motorcycle-intercoms/sena-smh5-fm/review.htm
Now called the SMH5-FM
Review - http://www.webbikeworld.com/motorcycle-intercoms/sena-smh5-fm/review.htm