How to progress things with wife

OK. So I've been with my wife for about 9 years. I'm 31, shes 30. About 4 or 5 years I got into the interracial porn thing. Slowly began introducing it to the wife. Its pretty much the only kind of porn we watch now. At first she didnt admit to liking it but now she says it her favorite type of porn.
She also has admitted she masturbates to black guys 50% of the time. Which was much higher than I expected. I ordered some Mr Marcus and Shane Diesel dildos. She likes them and what not but what's my next move. She was very conservative women when we first met. Its taken time to get her to agree to toys, nude pictures, and even talking about fantasies.
We have 2 young kids which makes it harder to plan sexy things. For awhile I was pretty much giving up getting to watch her bang a bbc. But she pretty much said her dream fuck would be Mandingo. Pretty much saying she might orgasm just from sucking his dick. That obviously turned me on. Keeping in mind that she's conservative, what would u do next?

Start out by joining some video chat rooms. One she becomes comfortable chatting get her to do some nude camming. After she has accepted that then move on to having sex on cam. From there she might agree to meet someone in person