Here is a good blog post by Andy Budd about why CSS 3 has not become a standard in over 7 years development.
I agree with him. I know to many people who are disapointed with the W3C today… some of the biggest names in web design do not speak positively of them.
[url=http://www.andybudd.com/archives/2007/05/css22/]CSS2.2[/url]