It sounds like your son has an awesome teacher, consider yourself lucky!
It sounds like she is on the ball and if you agree with what she is saying (does it "sound" right to you?) that's great, it sounds like she will continue with that.
She said she wants to make sure he isn't turned off of school and it sounds like that's a major concern for you too.
I'm glad she's recognized it and there is a lot of good info out there.
Try googling perfectionism and underachivement in gifted and start exploring. There is lots of info and probably lots of it won't apply to your son, but there's some good stuff out there.
Hope it all works out well.
Neato
