Whats the best thief protection device available?

[bigred90gt]

I think the best thiec protection is an alarm siren and a Smith & Wesson. If you hear the siren, use the Smith & Wesson. They will only try once. On a more pollitically correct note, you can have kill switches installed. A friend of mine had a chevy truck with a 5 spd tranny. To start it, instead of pushing the clutch, you had to mash on the floor under the clutch. He would leave his keys on the dash and the windows down and never had the truck stolen in the 3 years he had it. A nother friend has her car set-up to where you have to push and hold the window up switch while cranking it to get it to start. I don't know where they got those kill switches, but I can find out if you would like. Let me know.
Caymon