Well the LCD, is going to have to run out of a Video out, not really a monitor, Ive never seen a monitor LCD 5" big, Ive seen those big ones. but Defently dooable. I can Probly power it using the power supply, Ive seen it done, No biggie. but is 250 Watts, Enough??? also, Are there any line conditioners? or what can I use to see if my power line is smooth???