I like this error page
http://www.geocities.com/womad58/404.html
Error 404 Psychiatric Support Page
The page cannot be found
The page you are looking for might have been removed, had its name
changed, or is temporarily unavailable.
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Please try the following:
If you are obsessive-compulsive, please check the URL
repeatedly.
If you are co-dependent, please ask someone to check the URL for
you.
If you are paranoid-delusional, we know who you are and what you
want. Just stay online until we can trace your computer.
If you are schizophrenic, listen carefully and a little voice will
tell you the correct URL.
If you are manic-depressive, it doesn't matter what URL you pick.
No one cares, and no one will give you the correct file.
HTTP Error 404 - File or directory not found.
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Technical Information (for support personnel)
Go to the nearest Mental Hospital and perform a search for the
words HTTP and 404.