Raelynn - congratulations on your second BFP
Shazney - it is an incredible difficult diagnosis for us to come to terms with - but I think it is even harder for our men. I remember, DH really didn't want to even get a spermiogramme and kept postponing and postponing. Somehow, I think women are able to cope a bit better with this kind of thing (we are used to going to the gynaecologist etc. etc.) - men are suddenly threatened in their manhood...
Perhaps he just needs some time? Can you find out what the insurance covers - maybe a visit to the urologist would be covered, so it wouldn't cost him / you money to have a first consultation and see whether it is obstructive or not. If obstructive, there would be a good chance of some kind of remedy that would result in getting sperm from him. Or is he even generally against then doing IVF, if you could harvest sperm from him?
How important is having biological children to him? Would he be OK with the donor sperm route? Might I ask what ages you are?
With my DH, I think the older he got, the clearer it was for him that he did want to become a Father and at some point, he even did start considering donor sperm when we went through try after try after try (in the end, he is the biological Daddy, but it really was time, that started changing his mind about things).
One thing that is a definite - any type of infertility struggle is a huge strain on the partnership. You do need to get through it together. Many relationships are strengthened by the struggle ... but there are some, where the strain is just too much. I hope for you, that you find the strength to face and get through the struggles together!