When can you reasonably stop suporting IE6?

this post is now on gareth's own domain:

http://www.gareth53.co.uk/blog/2008/07/when-can-you-reasonably-stop-supporting-ie6.html

The long, slow, painful death of IE6

this post has gone. but you can still read it here:

http://www.gareth53.co.uk/blog/2008/07/long-slow-painful-death-ie6.html

You should. It's good, even if I do say so meself.