I could care less if my browser is adhering to standards if it totally screws up a page that IE handles flawlessly. This is the real world, not a lab. I gain no comfort from my standards adherance while looking at this:
Here's the warning you get when you go from a secure page to
an unsecure one. You should be able to turn the nagging off.
It's getting closer. I hope they keep working on it.
Thunderbird, on the other hand, is already pretty terrific.