I have access to a few laser cutters and I am interested in laser etching a design into a friend's MBP. Would this void the warranty? It would only be the outside case. Others have done this before, but I can not find out if they voided their warranty. Check this link out for what I mean:
http://lifehacker.com/software/laptop/laser-etching-a-powerbook-197202.php
http://lifehacker.com/software/laptop/laser-etching-a-powerbook-197202.php