Yeah, I've got a pretty decent Cobra unit that's saved me a couple of times, but there's times when the cop's gun isn't on and he can shoot right at you and nail you, like today for example. . . 55 in a 45.

Edit: Escort makes a unit called a shifter, I forget the model number but it's something like Z3 or X3 or some overused letter:number combo. I read an independent review of it on radartest.com and it successfully jammed 99% of the laser. Five different guns. Another review stated 95%. Laser is one of those things where once you know you've been hit, just go ahead and pull over, so at $250 (I think that was the price) which is about the cost of a 20 over ticket on the interstate (where laser is more common) is probably a decent investment, and it sure would impress friends.