Works for me if I wait. Safari 3.0.4 on MacOS 10.5.1
The site works slightly faster after it loads in
Flock 1.0.5 /
Firefox 2.0.0.11 on the same Mac.
The buttons are javascript and you really have to wait for the whole page to load before anything work.
You may need to hold down shift and do a reload, perhaps part of the page is not loading for you.
