Your new header is a little busy... the old one is more simple and readable, could work fine if your font was darker to show up more against the bubbles (maybe just a darker shadow around the words to make it pop). I like the blue, but agree that the new light brown lacks impact... the old brown does have impact... if you don't want to use the dark brown any more I'd try matching the new light brown to your smf logo color, a more creamy color (more yellowy). The new wider layout is very nice.