It seems there are many people having issues with teh directory. Google issue tracker has many people reporting this as issue #628:
http://code.google.com/p/igoogle-legacy/issues/detail?id=628&colspec=ID Type Stars Summary Status -Terence -- You received this message because you are subscribed to the Google Groups "iGoogle Developer Forum" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/Google-Gadgets-API?hl=en.
