Gas mileage

Hey All,
Just out of curiosity, what kind of gas mileage are you able to get. My GT window sticker claims 17/25 (city/highway), now I am under no delusion, I do understand that those numbers are not always correct and driving habbits will play heavily on individual results, but to date, the best I can get in my GT Vert is 19.2 mpg. I do not race it, it has not been over 100 mph (yet), I do not use the AC, and I practice decent drving habits (mainly because my 4-yr old daughter is usually with me), but I still get significantly lower mileage than what is advertised by Ford or reported by the car magazines. How are the rest of you doing with mileage?