Check out this awesome review by GearSlutz of the plug-in collaboration between Legendary Audio and Sonic Studio:

The Scope: From the partnership of Legendary Audio and digital pioneers at Sonic Studio comes I.C.E., a very different plug-in with a bold proposition. A little bit of context first: Legendary Audio was started by veteran mastering engineer Billy Stull and none other than Rupert Neve to develop the Masterpiece Analog Mastering System, and I.C.E. brings Billy’s latest efforts on digital processing. I.C.E. is an acronym for “In Case of Emergency” and that serves as a great description of its purpose. The premise here is that nowadays we deal with all sorts of “bad” qualities that affect our audio – to quote Legendary Audio’s website, I.C.E. works on “distortion, hot spots, over-modulation, sibilance, resonant bass and guitar frequencies, Overload, embedded digital harshness, clipping, vocal distortion, out-of-control cymbals, a generally unpleasant overall tone”. In practice, it is a special dynamic EQ that works like no other equalizer I’ve ever tried, and I have tried many as most of you probably have…Read the full review here.