::::The status was transfered, the moment that Jesus died as the final sin offering on the cross. Yes, you have it right - through Christ we become the children of Israel. At the moment, I don't have the evidense for it, but I am spiritually convicted about it, I don't claim ownership of the idea. I'm not very familiar with Ellen's writtings. 
 ::::Acts 10 shows that Peter upheld the Laws concerning kosher food. Romans 3 also adresses the issues of Law. Romans 11:19 uses past tense, not future. In fact Romans 11 discusses the issue of Israel's rejection, those who remained loyal to God was not cut off.