Well I'm sold. Tried it, it is Sycraft proof, which means moron proof :). They aren't kidding, it is easy to use and sounds good. In particular I really like the unity monitor feature because I can listen and determine when I think the sound is getting mangled.
Comparing it at equal levels with the Concrete Limiter, it wins out for sure. With a 6dB boost set on both they both sounded clean, no distortion or anything, but the CL did change the sound character some, where as the Stealth one didn't near as I can tell. Doesn't seem to freak out when you give it inputs over 0dBFS, they get limited down nicely.
I like it. Maybe something better out there, but this is real easy and I like easy.