Forbes.com put together a bestiary of the top nine corporate hate sites - those pages typically put up by former customers after what they perceive to be an egregious service problem. Sites were judged based on variables like anger (anger's good), entertainment value and frequency of posting. Almost as funny as the sample posts given in the bestiary are the responses - or non-responses - of the despondent corporate PR flacks. The top nine:

KBhomesucks.com
Paypalsucks.com
Allstateinsurancesucks.com
MS-Eradication.org
Amexsux.com
WalMart-Blows.com
Verizonpathetic.com
Untied.com
UnitedPackageSmashers.com