So if an officer is sitting in the median and you are 1/4 away, with your highbeams on the officer can still ACCURATELY estimate your speed? Yeah, right.
Also, there is NO law that says you cannot jam laser. Radar is a different story. And an officer will have no proof that you did infact jam his laser.
The laser jammers range from 300-1000 dollars and most come with front and REAR protection. This coupled with a good radar detector should pretty much protect you from any future speeding tickets.