I've read your question and I'm contemplating my reply. I notice in your userid info that you are theonomic. I'm not saying that all Theonomists advocate the covenant succession position, but their is common ground in overly emphasizing the OT theocracy at the expense of God's grace.

John Chaney

"having been firmly rooted and now being built up in Him and established in your faith . . ." Colossians 2:7