Ok i am thinking about putiing an LCD screen into my car, tell me if this is right:

I need a head unit w/ a AUX input to plug the screen into

I need a LCD screen w/ a AUX input(to plug into PS2) and AUX output to go to the headunit

I need a AC/DC converter to have my PS2 plug into my car.

Do i need a AC/DC converter for the LCD screen?

I am looking at this screen:

5" High Resolution LCD Display Screen
Built In Speaker
RCA Jack Input for Sound (for speaker)
Multi-Angle Stand
12Volts DC Operation (5 Watt Power Supply)
Dimensions: 15.7cm x 10.6cm x 4.3cm
NTSC Operation
Controls for Color, Contrast, and Brightness
Can be view from a wide viewing angle
Accepts standard RCA video feed

for $90. The only other thing i would need is the headunit(w/ AUX input) and AC/DC converter, is this true?

Thanks.

I also was thinking of just buying a portable DVD player and pluging that into the AUX input, would this work?

OK, to get the sound to your raido you will need a aux port in the back, or a FM modulator. To get the power to the lcd it should come with everything to do that. You will need a inverter to get the power to PS2. then everything should hook up like a normal TV

unless you plan on using the speaker in the LCD casing (which is crap), you will want to run the audio RCAs directly from the source (dvd player, etc.) straight into the aux. input of the headunit. The LCD doesnt need an inverter, just run it off ytou cig. lighter power (or an alternate 12+ volts, thats just the easiest one to acces) and ground it to the chassis.

agreed with everything above ^^^^