there is no system avail that outperforms sonitrol but monitoring costs're the real $$$ for the industry,,, sonitrol has active audio - monitors actually HEAR what's going on in the protected area & compare to ' stored audio ' thereby defining what tripped the alarm,,, active audio is then sent to police,,, no false alarm fees, either,,, as most everyone knows, police don't respond to most home alarm systems ( unless its their neighbor or family member ) cause they're tired of false alarms.
yes, there're costs for installing & all systems are post-incident as're the police,,, if you've REALLY got something to protect, it is absolutely the best available,,, its so good adt owns a couple franchises,,, no financial interest other'n a VERY satisfied user.
EDIT NUMERO UNO: 1 digital control panel, several ' glass breaks ' & tuned motion detectors, no window/door switches, dble battery backup, cellular dispatch, 1 large dog, 1 ithaca 12ga, 1 snub .38spec, 1 .357ruger, lots of insurance, & window decals.