Neat trick.

It's mentioned in the article, but if you don't care about IE6 or IE7, you should consider http://nicolasgallagher.com/css-image-replacement-with-pseud...

It's a bit depressing that we're still fooling around with these different hacks though.

Time to stop supporting them. A lot of enterprise is holding out until they're forced to upgrade. Once they have to explain why the Internet is broken, they'll pull the trigger.