If you haven’t been following all of the IE6 news of late, Youtube seems to be the most recent site to discontinue support for IE6:
http://tinyurl.com/mpmu5y

Mashable says that in order for the web to progress, IE6 must go (and briefly explains the major issues with IE6):
http://mashable.com/2009/07/16/ie6-must-die/

…and if you really hate IE6, you can always join the death to IE6 movement. 😉
http://iedeathmarch.org/