I'm not a fan of products. I've been tinkering with the insides of airsoft guns for the past 5+ years, and I've been doing it professionally for at least the past 2 years.
They tend to use low quality metals, far too many proprietary parts and have very poor initial build quality (internal construction is always very off on every ARES I've worked on)
Their guns are nice looking and try to be very innovative... but they still fall short in quality and reliability.
The only ARES guns I'd recommend to my customers are their G36 and L1A1 Line.