Some nice muggins have reccommended that I get a Cat 1 alarm for my car and I know sod-all about them. I am just wondering do they offer any major advantages over Cat 2 alarms, as in make it seriosuly mroe difficult for thieves? What sort of price will I be looking at consdering I am on a tight-ish budget (~£200 or thereabouts)? Can anyone reccommend any for me? I live in the West Sussex area just outside Crawley.