Did you talk to the new L about any advantages you might have for filing before Monday? Also, please have him review what you already have in place regarding support. You under duress when you negoiated with him originally. You need someone objective to make sure that you got everything that DS is entitled to. With another child entering the picture there will be less for DS so you need to make it clear now that your son is a priority.
Also, some of the things that you mentioned before like who gets to take the tax exemption can be changed in your agreement. Now is the time to do it.
