[EZ2Luv]

I seriously doubt it has anything to do with adoption vs pregnant with your own at all. I am sure is not the first firsttime Mommy to be that has had over the top registries. I think so many times it is all too easy to get carried away with registries and they become more or less a wish list.
I myself have done it with my first baby and thinking back with my wedding registry too.
With my second I was alot more frugal. Some people like yourself are alot more realistic. I have learned that it really isn't worth outting energy into other people's choices. If this is what she is wanting to do, so be it. Nothing you can say to her will make her change her mind.

People show their excitement in different ways. I think many PAPs would love to be able to do what your friend has done, it is just that adoption in itself can cause APs to go into debt so they really have no choice but to be frugal or at least a little more realistic about purchasing such high end baby gear.

IMHO while I get where you are coming from I feel it would be best to just let it go.
Another thing I wanted to mention is many times a person will place an expensive item on a gift registry (I just had this happen at a wedding shower I attended) in hopes that maybe a group will pitch in a purchase that one item. When I see high priced items on a registry I just get the person a gift card for that store that is within my means.
Again, sorry you are feeling slighted, but I really don't think this has anything to do with the fact you adopted at all. You have your baby and you do things the way that you feel they should be done. She will have her baby and will do things her way. No need to fault her for her choices even though they are not what you would do.
Parenting is not a competition. I have some aquantinces that would make you think it was with trying to out do each other with name brand this and top of the line that. I personally get more thrill from a bargain and getting more bang for my buck than parading around with something that will break the bank.
EZ