Kristin -
You and I so need to talk. I too have transposition of the great vessels as well as single ventricle, single atria, pulmonary atresia...
I was allowed to get pregnant once and did so successfully, however I do have to say that unfortunately my pregnancy ended in a miscarriage at 13 weeks and the doctors determined at that point that it was probably going to be more difficult than they thought on me, but it was going to be very difficult to carry a baby to term.
I had know for a very long time that children of my own were most likely out of the question. So I wasn't shocked when I found out that I wasn't going to be able to try again.
Nearly 4 yrs after I miscarried we adopted our DS, now 4. It was not an easy road as we waited almost 3 yrs to adopt him. This was mostly due to the fact that we picked a bad agency and they did virtually nothing for us for 2 1/2 yrs. We decided to go search on our own and found an attorney who placed our son with us. He is bi-racial but we were always open to that. The adoption for our son including our travel expenses because we lived in CA at the time and he was born in OK was about $25K. Yes it's a lot of money but every time I look at him, even when he gets into trouble, I wouldn't change it for the world.
We are now in the process of adopting from China. Our paperwork has been there for 13 months and I had to wait until I was 30 to adopt from there too (I'm 32 now - almost 33). It's not been easy and I kind of wished that I had started my paperwork before I turned 30, but our son was only 18 months when I turned 30 and we weren't sure we were ready just yet.
Surrogacy is VERY expensive. I was never serious about it, but I did look into it and decided it was not for us. I couldn't put myself through the hormone shots and egg harvesting, etc. Then on top if that you have to pay the surrogate. Having family and friends carry a child for you is very difficult because you'll be jealous of the experiences they'll have while carrying your child.
Domestic adoption doesn't have to be difficult. Going through the state can be hard especially if you live in a state with a foster system that is messed up.
One of the best things you can do is just start telling people at your church, your workplace, etc that you are interested in adopting. You'd be surprised at who knows someone who is looking to place a child for adoption or knows someone else who knows...
I have an adoption blog you can look at if you want:
http://journey2emilija.blogspot.com
You can also see photos of me, DH and DS on the blog. Plus I have a link to my email address on my blog if you want to email me and talk about heart conditions, etc.
I noticed you were in STL and my husband is active duty military. One of the bases we are hoping to move to at the end of this year is Scott (just outside of STL).