As the man said in Jackie Brown : "AK- 47, the very best there is. When you absolutely, positively gotta kill every mother ****** in the room, accept no substitutes"
Problem solved!!!!
but in all seriousness, I used to be in the alarm business, and like what was said earlier, you can make a big diffrence in your "visible deterant" but sticking a $50 Siren Box and strobe up out the front in a conspicuos spot, if the budget doesnt extend immediately to the about $1500 for a decent alarm with dual tech sensors to minimise false alarms, and some sensible programming. I would echo the sentiment of avoiding the large companies, but particualry the ones that call YOU with "too good to be true" offers. One insuarance company based "alarm" company was offering something like $200 fully installed alarms. HOWEVER, it was on a 5 years monitoring contract at something like $600 per year (thats expensive by the way!!!). they also used all wirless sensors which are less effective thatr wired ones because they only send a signal every 2-5 minutes to save the battery. they are however Very quick and easy to install. they require battery replacment for continued operation. they fail at inconvienient times.
Large Angry dogs also work well. Down side is I've seen them dealt with too by very determined theives. these poeple deserve to meet Mr Kalishnakov, and his friends Mr Glock and Mr Beretta