I had an old er viper with the screen in my last car. My friend had it fitted at great cost before I bought the car. It left me stranded in my work carpark one evening where I was forced to remove dash plastics and rip the alarm out so I could start the car again. Would not recommend.

I would however recommend Meta, seem like a nice simple hassle free alarm. I think alarms with bells and whistles are doomed to fail.