alarms????
Remote start, LCD screen 2 way receptor, Ignition/Fuel kill-cut-off switch, Shock and Tilt Sensors, DEI Sonci Glass sensor, Motion Sensor...15% off my insurance....at 16...not too bad dropping from 3500 into th 2900's
Check out their websites. The Avital has some unique features like the ability to tell you the temp inside your vehicle, it can start the car based on the interior temp, it also has a parking meter timer; very useful here in Chicago
Avital:
http://www.avital.com/products/ap_2way.htm
Clifford:
http://www.clifford.com/matrix/
Viper:
http://www.directed.com/security/viper/viper_se_rs.asp


