I have a Compustar alarm that lets the car run until you shut the doors and has a remote start on it. It doesn't have any trouble with PATs. Now that may be because they did something to bypass it though.
1999 3.0L Cougar: 220fwhp and 200tq
2003 VW Passat W8 with 4 Motion AWD
http://www.cardomain.com/ride/300644
PM for intrest in 3L SVT Contours, 3L swaps into your current car, Prepped 3L engines, or anything 3L related.