I am trying the same project atm i have a mono lcd screen from old laptop,now as far as i know you need a lcd screen with the vga driver hardware this is how
http://www.amiga.org/gallery/photo.php?lid=989 was done
i,ll dig out the CU mag and check the 600 laptop i got this from and scan the pages ket me know if you would like a copy
good luck,