I never thought this day would come. (And sadly, this is the kind of thing that makes my day...)
Clearly the Omnia has built up a sizable enough following for Otterbox to see fit to create a dedicated case.
I've had nothing but success out of my prior Defender cases, so suffice it to say mine is on order.
Linky:
http://www.otterbox.com/samsung-case...defender-case/