Two browsers are saying they have reached Acid3 100/100 today:
Webkit (the Safari browser engine)
WinGogi (Opera internal development build)
That is a screenshot of the webkit nightly running Acid3 on my machine.
Update: So far so good. The webkit nightly works fine on most of the common sites I visit. I tried it with hotmail, but it falls back to its lite version, which it did with the stable safari version as well. Gmail/Google docs work great so far on Safari, even the drop down menu's added recently to Google docs.
