Today, I went to do a search, and I noticed that I couldn't search by forum. Most search buttons have a small link for 'advanced search'. This would allow you to isolate which forum you were searching. I didn't see that ability.

 Also, this site seems to load extrememly so for me since the changeover. I notice this especially when I go to reply to a post, and the little replay box take a while to load (the box that has the icons for Bold, smiley faces, spell check, etc..)

 Personally, I miss the old setup. I haven't see a big reason why this new layout is better than the old. Just my opinion.