They can still catch you with Instant On, Laser, Pacing, and Vascar.
Valentine1 is simply the best warning that people are being targeted (according to reports--never owned one).
I wouldn't spend $400 for any Radar Detector that someone can break my window and run off w/ in less than 10seconds. (It'd take 'em a few seconds to search through the glove box I guess). Someone sees that bigass display in your car, they follow you around a bit, break your window and now they have a $400 detector.
So, you gotta shell out for the remote display and still hope someone else doesn't clue in that you own it and want it more than you do.
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Dam things been $400 or so for YEARS now, they have changed very little about it, and they still are in business.