Go to any page in which you can click on a member's username and click on it. A lightbox comes up with relevant information and blocks out all relevant information with a translucent white background. I don't like this. I think it would work much better if the member popup would popup under or above the username with relevant information, without blurring out the entire page (similar to the way IPB works when one clicks on the popup link next to a username in a postbit). The way it is now offers little advantage over loading the member's full profile page (on a high speed connection, that is). It interrupts my page viewing experience.