yea, decent times for that setup. i'm guessing that with you in the car, it weighed 3500lbs... for a car thats probably making 230hp at the fly, i wouldnt expect more than 93-94mph out of that setup with that car's weight, with mid 14s for times.
next time out, stop by the track's scale if they have one and find out how much you+the car actually weighs. using weight and approximate hp, you can judge pretty well what your car should be running with this analyzer:
MustangWorks.com: The Internet's Ford Mustang Power Source!
you could also try changing shift points around, see if it helps to go a little more rpm, or a little less for that matter. you're off to a good start though.