Anyone else having problems with autobrightness?

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After I got my Nexus S today I noticed on autobrightness, it was less bright than my Vibrant. I tested them both at full brightness and both were similar, so I figured the autobrightness/light sensors are just calibrated differently on the Nexus S, no big deal.

However, later on in the day I realized autobrightness is not doing anything. To confirm my suspicion, I did a test (very unscientific, mind you):

1) I took the Nexus S from my fairly well lit room into an unlit closest. No change in brightness.
2) I repeated the same thing, except this time I took the Vibrant with me. Vibrant had a clear decrease in brightness while the Nexus S, once again, did nothing.
3) I covered the light sensors on both my Nexus S and Vibrant (using my thumb). The Vibrant reacted to the "less light" and lowered brightness; Nexus S did nothing.

At that point I became fairly convinced there is something wrong, despite my friends reassurances that it was just in my head. So, the only thing to determine now was if the light sensor itself is broken or if it is a software issue. I downloaded a few light sensor testing apps from market and it seems like the light sensor itself is working fine. So it must be a software issue.

Am I the only one with this problem? I will test this out further tomorrow in the sun and see what happens, but I am convinced something is up.

My autobrightness seems to work fine, but its colors are all sorts of weird just like the reviews...it literally looks like my screen was peed on when its on auto

Works fine for me.. except one problem. even on auto or manually set to lowest brightness, IT'S TOO DAMN BRIGHT!!!!!!!!!!!!!!!!!!!!!!!
It's really really hard to use the phone in complete darkness in bed because it's just way too bright.