On my site, I think the box is working very well. Recently the pace of profile posts on my forum has been increasing. I like this because it makes the site feel more social and more like a community. On my forum, the prominent real estate given to the "New Profile Posts" box has breathed new life into a "Profile Posts" functionality that had previously seemed like a waste. Simply put, why bother making a profile post if no one was going to see it?
Of course, as I said, every forum is different. Our forum only gets about 100,000 pageviews per month and is a very tight knit and supportive community. People generally don't make any money on the site and aren't trying to promote anything. Bonding is very important because it is a medical support community.
Now that we've had a chance to live with the "New Profile Posts" box, perhaps now is a good time to (re)evaluate it. How do you feel about the box on YOUR site?
To keep this thread on topic, let's not discuss how we feel about the box on xenforo.com. This thread is about your site, not this one. Let's keep this thread on topic.