Well, to get a smoke, you would obviously have to introduce the dilution gene and hope your cow doesn't carry a red gene. A smoke bull could do that, or the obvious choice would be a Charolais. If your cow IS a red carrier, you could get a red or yellow colored calf, the diluted red version of smoke. As far as type, I might look at an Angus bull on a cow that's bred like that, and that's me making some assumptions based on her breed & not knowing if she really fits those stereotypes or not. If you like the idea of going back with another continental breed & you like color, a black baldy Simmental or SimAngus bull might be worth a look. A couple of folks have mentioned Limestone Trifecta...he's a black baldy 3/4 Angus 1/4 Simmental out of a Meyer 734 daughter...haven't seen any calves out of him, but I would think something loosened would be kinda cool on a cow like yours.