I was thinking White Leghorn for the Dominant White and a few other traits, but now I see how that combination works too (with the Golden Comet giving the Dominant White.)
I think there is a good chance. You will probably get some with blue legs, maybe some with green legs. I expect most chicks to have a gold-and-white coloring, but you may also get some that are gold-and-black. I can't immediately think of what other variations you might get, but with that amount of mixing I think there is a good chance of a getting some chicks with unexpected traits.
He should give white barring to half of his chicks (males and females), but not to the other half. You would probably get chicks with a variety of orange and gold shades, and I think you've got a good chance of having at least some with the green feet. So he might also be worth trying, if you want some that look just like her.