Busted in IE8 as well. I click on soulskill's zoo pill and get a page with the following:
Your Relationship with Soulskill (1459)
Friends of Friends
Foes of Friends
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, email@example.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
Basically the same as Firefox. Any differences are likely due to presence of AdBlock on FF and variations in handling of css.