Yes, this could be a bit US focused... 1. What brand do you use and how well has it worked for you? 2. Do you take it on the road to use with rental cars. 3. Bonus question - Has anyone gone the extra (and probably not law abiding) mile and used a system to "trick" radar / laser and did it work? 1. Valentine One - 1 or 2 software revs back. It has saved my bacon at least 10 times in the past 3 years. I do wish it had better suppression, but I have learned to tell what real and what's not. Laser detection is dead on. 2. Sometimes but not always.