| I think you can get a bolt on for the roadangel to detect lasers, there's a new version out now from when I looked a while ago, and the old one didn't have that functionality, but I'm pretty sure the new one does.
There's quite a few decent websites for the low down on detectors, can't for the life of me remember the URL's, but they're pretty good, just do a quick google and see what you can get | 
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