I want to see websites stupid april fools jokes! I will get the party started.

http://www.gamefaqs.com/ - Becomes Xbox focused "GamefaX"
http://www.vgmusic.com/ - "Power Outage" - page black except moving "flashlight" (removed)
http://www.cpan.org/ - P = Java
http://www.somethingawful.com/ - One of those stupid "search" sites
http://www.gamespot.com/ - Fake news

entertain me

heh:

http://www.ebay.com

And Google too:

http://www.google.com/

Click "The secret technology behind Google's amazing accuracy."

Some of those are pretty good.
I was unable to find the part on Google's page.. Maybe I am too late, its already 20 after 5pm... and I am stuck on the Google.ca website, as it auto-redirects me...

Happy Holidays!

http://www.google.com/technology/pigeonrank.html

Those are good sites lets see if there are anymore :)

http://www.jokeaday.com - a site that usually makes fun of AOL's business practices, currently pretending to be bought by AOL.