I have recently left an SBC church here in Northwest GA and left an SBC seminary for RTS here in Atlanta. What I have seen within the SBC is not very pleasing. For the most part SBC churches are Arminian in their theology and they are very pragmatic. I think these two things go hand in hand. As far as the SBC government the best way I could compare it to PCA is the local association (Noonday in my area) would be equal to the local Presbytery. Although the Presbytery is way more concered with "contending for the faith" and "guarding the flock". I think the ARBCA is a great movement or organization, whatever you want to call it is a good thing. I know Steven Lawson and his church is a member and I also know Mr. Lawson associates closely with R.C. Sproul.
This is my .02 worth.