It's basically the same, from what I can remember. Despite being in this airport all the time over the last six months, I haven't been in the PC in a while, because I tend to arrive at ATL for my outbound flight with just enough time to check in, clear security, and arrive at the gate 5-10 minutes before boarding. But the bar area has been redone, there's more seating, and it looks like some of the chairs that were showing their age have been replaced. Overall it's not a huge change, and there's not a huge amount of extra space, but it does look like it's been refreshed.

Now if they'd just beef up the Internet in here a little...