Luckily in my job I CAN tell the customer they're wrong. There is something so very hard about being responsible that they can't seem to grasp. Ug I could rant all day. However, for those who DO need to rant there are the 'customerssuck.com' forums. You have options of
A. Reading stories of nightmare customers
or
B. Posting stories of nightmare customers
It does a darn good job of making you apreciate the good ones.