Ok, few more questions:
1) How long ago was the other ticket?
2) Same type of violation?
3) How fast were you going in that instance?
Deference to the officer means, how respectful were you. Based on your rendition of what happened I get the impression that you may have been a tiny bit argumentative with the officer. That's something you have to keep in mind when deciding what to do from here.
Based on what you've said so far, I get the feeling you're in a tough spot. With a prior speeding ticket w/in the last 3/5 years (depending on how your jurisdiction judges it), and the car you drive, the judge may want to hold you under the full force of the law. But in any event, my suggestion would be to go to court and attempt to fight it. I do not think you would have much success arguing the actual speed, but it depends on the judge and his/her mood that day. I would go to court and, assuming you don't go before the judge first, examine how the judge reacts to the way people with similar violations plea.
If I had to make an assumption, and this is an obvious danger, (keep in mind I'm basing everything on MD rules) if you claimed PBJ and the officer can say you were respectful you should be able to get your points reduced. I know in MD that would be a 5 point violation and that equates to a $2-3k increase in insurance for a male in the 18-23 age group. So go to court and be honest and respectful and pray for a little bit of luck.
Dan is right, it really is unpredictable, you just have to judge the whole process as it happens and act accordingly. One thing I learned with dealing with traffic officers and traffic court is they respond VERY favorably if you are respectful, sincere, and apologetic.
Good luck man, and keep us posted.
Sean