Don't know if this has been mention yet. Here is an article on the T-Hawk Drone. I thought you guys might find interesting. Miami Dade is in the process of buying one. Would this become a nuisance to growers? Will one becoming to a city near you in the future?
http://www.miaminewtimes.com/2010-12-09/news/miami-dade-police-buy-drones/
http://www.miaminewtimes.com/2010-12-09/news/miami-dade-police-buy-drones/