Pride

Here is a project I would like to take on. Some questions I would like to answer and hear your imput as well.

1. Is there such a thing as Biblical/healthy pride?
2. Is self confidence different than pride?
3. If the anwer to #2 is yes then when does self-confidence turn into pride?

Is it ok to feel like you have done a good job when you are finished? Is it ok to feel like you are good at something? If it is ok, when does it turn into a bad thing? How do you keep it in check to make sure you don't cross the line? I know that Satan uses pride and I have a feeling that this weapon of his is easily accessible to him.
I an rather excited about researching this topic. I rarely do topical Bible studies. I usually pick a book of the Bible and read it thru and unfortunately I sometimes don't remember a thing I have read.
I will keep you updated on my findings.