pretty good chapter...i dont recall however, ever reading a good 'good' snape/malfoy fic...most of them just degenerate into 'oocness' or slash...is that your goal then, to write a good 'good' snape/malfoy fic?
i think even jkr failed at it...most of the snape/malfoy interacting with harry in the books were my least favorite parts...gl then