Hey Sawks, I think that all of us on the dirty end of the stick will probably go through this at some point. God is probably the only other one who knows how much I vacillate.
I'm going to hijack a bit from Lola's thread and say that your old R is dead and good riddance. But, I would also say to not categorically exclude your W from consideration, and that isn't what I hear you saying. Remember, no matter who you are with, there will be problems. At least here is the devil you know.
The opportunities were always there, but, because you would have to take action to pursue those opportunities, when you were committed to your marriage, they might as well have not existed.