Paul discusses salvation in two parts. First, is the reversal of Adam's separation from God. The human race for Paul was reconciled to God by our having a representative who lived faithfully. This is the basis for all the Second Adam and related discussion. It is in this sense that Jesus destroyed sin in the flesh and the resultant Pauline "in Christ" argument. The second is what God has done for you, as opposed to the human race. The answer to this is, let me be careful here, not much. At least not as is often trumpeted. We are saved by two strokes. The first is God, desiring to have a people, has thrown open the doors to his kingdom, just as he has done before. The result is that if you want to join God, you can (stroke 2) because Jesus has reconciled the world to God and redeemed the human race. You don't need your sins forgiven specifically before you can join God, but joining God allows you to be "in Jesus," in whom there is no sin. This is roughl...
Ramblings and observations