The ONLY way to avoid a Laser ticket is to JAM IT! No matter how good your detector is your still caught, unless your lucky enough to get a stray beam from another car that is close and being targeted.
I use Blinder M20X on my 911. Saved me many times
Got it here cheap
http://stores.needfultoyz.com/Categories.bok?category=Automotive%3ALASER+JAMMER