I see that the website now has a new look. Unfortunately it is missing the pull-down menu for 'Project' to access your Account and Preferences. Hope this gets fixed soon. (The same look is used for example in LHC@home, so I knew what to search for.)
[edit]You can go to your account page if you are logged in and click your name on the top right-hand corner.[/edit]

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The first time, you have to go the long way around:

Project's front page here
Right hand column Log in to your account
Left side Continue to your home page

Bookmark it!