I am so hooked on this story.
I've always loved when an author would go into details with magical theory, it makes it so much more real for me :). Also, I have a delighted weakness for political scheming, plots and Slytherin cunning. Fabulous, it is.
On top of that, it's h/d with so many lovely subplots that it has my mind spinning with all the theories of what could happen next in so many different directions... Gah! Couldn't be better :D
And, of course, you're the one who's writing it, and I love how you write both Harry and Draco, and Hermione as well, it just all works for me.
So, yes, I love this series, and constantly check for the next installment, even though I know there's no chance of you updating every day ;)