Double the amount of chips. Don't just use semi-sweet morsels... I use a few butterscotch chips, then double that amount with white chocolate, and then double THAT with semi-sweet morsels. When ready to drop the cookie dough onto the baking sheets, I'll sprinkle some Heath Toffee bits over the batter and mix it in lightly.
When I bake the cookies, I've found that the oven is too hot to come out with the kind of cookies I like. I like soft cookies that are not browner on the bottom than they are on the top. Lowering the oven temp and increasing the bake time a little gives me the texture I like the most. Mrs Media likes them crisp, but she love them when they are a softer texture overall.