The density looks a bit thin, but its the same everywhere (transplants and natural hair). There's nothing you can do about that, I think. Not everyone is blessed with thick hair. I would not worry about that.
I do have one major concern. I seriously dont understand why both you and the doctor choose this hairline. IMO a natural hairline should be priority nr.1. Density nr.2
I havent read this whole topic but I cant imagine that nobody have said this as well. You're missing hair on your temples. Of course most of us have this problem but your temple hairline is even more behind. Is this last sentence proper English ? I'm from Holland..
The doctor should have planted some hairs on your temples too, to make it a little less unnatural. I could easily see that you have done a hairtransplant if I ran across you in the train.
I would definitely do a 2nd session.
Megatron, I hope you're not offended. Just remember that this problem can easily be solved with a 2nd HT. On the other hand, you say you are very pleased, so that's the most important thing.