I've already sent feedback to Omni detailing the rendering problem as far as I could discern from cursory information. But, everyone's been blowing so much smoke up Omni's butt lately, i think they may feel it isn't something they need to address immediately, but, from a design perspective, if i can't count on the browser displaying the page the way i have coded them, then it isn't any good to me, no matter how many bells and whistles it comes with.
Please, if you like Omni and all its features, but run into pages that do not display correctly, be sure to send Omni feedback about the problem!
I hope they correct this in the next cf, it would then be the best browser I've ever used, hands down.