hey everyone, i have an old iMac 4,1 (tiger 10.4.11) at home and i cant stand being on tiger anymore. I want to install leopard, but i dont have a retail dvd. what I have is both macbook and macbook pro installer dvds. is there any way to install leopard to my imac using the macbook's installer disk? if yes how? i already found the thread on http://forums.macrumors.com/showthread.php?t=371302 but it doesnt help me alot. thx in advance!