I've been using Media100 since ... say ... 1995, along with FCP (since 4-5 years). And I find it usefull, certainly for professionals, but maybe also for the rest of us. First : compared to the magnificent but clumsy interface of FCP (OMG ... those endless options ...), its immediate and easy use. Second (should be first) : its extremely reliable (never quits unexpectidly, no strange behaviour ...). Third : it ships with integrated hardware (acceleration card and input panel rack) and FCP doesnt (have to devise your own hardware configuration ...) ; that makes it a versatile solution (all kind of inputs right out of the box - including SDI and also old things from your VCR, and not only firewire ... usefull to get HD from 3-components, just for example). And fourth : price seems rather OK to me, compared to a FCP + hardware solution. And : the resulting work is professional, up to 1080p/23,97 .

I appreciate : easy and immediate use, excellent professionnal resulting work, input versatility, integrated hardware out of the box. Neutral : price. Poor : support / documentation, and they could update the look of their interface.