The drop down login box was more convenient.
The displayed boards seems to have been reduced.
The post number in a thread is on the far right, the old one had the page number right under the thread title which was so much better also there was an indicator for hot topics or not. I have to look to the right each time thanks to that.
Lastly, why is everyone professor Layton?
edit: My username is displayed as notsoawes... that never happened with the old version. How annoying.