A good paint job requires a really good working environment (at least 60F constantly, relativly dry, and free of dust), lots and lots of time, and a unreal ammount of wet sanding. Working from 800, 1000, 1200, 1800, to 2000.
Laptop screens are completly worthless, you cant convert them to put in your case or use it as a monitor with out a $250 converter card.
The "LCDs for Cheap" guide isnt for everyone. Its usually cheaper to go out and buy one considering that most people fry the first one they make. Its definatly something that you need some skills to complete.