Quote Originally Posted by DarkLiriel View Post
vanilla wow. couldn't do anything without causing a crash. also heard of some peoples' computer systems being damaged by it.
Pretty much this. I didn't start until February, two months after launch and the servers were still broken. As in unplayable. Forget broken instances, literally everything was unplayable. Seriously, look at these credits for the days the servers were down or may as well have been:
http://i.imgur.com/DVnKVtz.png

EDIT: and outages carried on for over a year...