I just got my first iPad 2 this morning, only had to wait 45 minutes to get a ticket, then one hour for the store to open. 32 GB, wifi, black.
If I crank the brightness up to 100% and look at a black screen, I see a few points of light leak.
Picture it this way, holding the iPad in landscape mode, my right hand over the home button. There is greater brightness in the bottom two corners, as well as brightness on the top edge, an inch in from either corner.
Other than that test, I am running at 40% brightness, and really don't give a damn about light bleeding that I have to change the settings to even notice.
For the moment I am very happy and will hopefully stay that way, still have to finish giving her the shakedown.