I agree. Last week the site was offline for about an entire day well they did the "upgrade." Its extremely clunky now.
At first it could not add new GPX trades, and after that started working it had a problem with my Amex Credit card's security code, finally yesterday I was able to post a new GPX trade... But the GPX trade that posted/completed right before the conversion is not visible - I saw it in my Alaska Airlines and Continental accounts long before they notified me.
The only new items I can see are some promotions link and a big facebook tie-in link.