hey im looking for an alarm as well. talking to a place that does it in newcastle, they dont touch mongoose because it is Korean (lol like hyundai :P) but rather they do World Tech Security (website:
www.rowanhypertech.com) and they r 460 installed. not sure wat model it is coz the website dont work, sorry. ill ring the guy 2morrow and ask him and post back
cheers