I have an Ultra start remote start/alarm and ive had them in all my vehicles and in my friends and family. great unit been dealing with them for about 8 years now. they have many programable options and is very user friendly.
heres a link to a guy i deal with and has the best prices ive seen
Ultra Start Keyless Entry Auto Remote Car Starter 1270 - eBay (item 400005100175 end time Nov-27-08 14:47:22 PST)