Yeah It's not working for me either... I set up a Forum account, and it doesn't show my stats, nor does it appears as "logged in" on the main stats page (even when I log into the forums and use a new tab.
Of course I have no idea how you guys link to someone's stats without asking a new member to provide their CPUID ?

Unless there's a spot for that I may be missing...

so though I can post in forums, and check my Free-Dc stats from a project's page, I cannot see my stats here automagically unless I search for me.

edit... I'm using win 7 64bit current, Firefox current and tried with and without add ons and extensions - even safe mode lol and no joy.