It seems IE8 passed Acid2 test. Big deal! Really. It is over on IE blog and almost every Microsoft blogger is writing about it. The fact is falsely amplified because FF 2.x does not render that page correctly.
[Update: Some 90 minutes later, I am writing this again for the love of FF. FF 3 beta 2 does sort of pass Acid2 test. And this is what appears in it]