monitor

I have the 430n RHB radio in my truck and I'm looking at getting the Lockpick v.4 and installing a monitor for back seat video. I'm interested in being able to display DVD video from the head unit to the back seat and I'm sure this will work. The monitor also has a built in digital TV tuner for...

Anybody ever use the BullyDog Triple Dog GT tuner?? Wondering if it's a good tuner. A buddy says its great for his Chevy diesel. Any thoughts or experience would be great. Or if y'all know of any other real time display tuner/monitor.