What you can't see in that rendering is the completely reconstructed lower level. With more suites, no doubt. You can get a better look at the lower level rendering here.
But who's going to pay? The stadium people and the host committee were willing to say how much the improvements would cost or who would pay. WBPF has a nice piece, including some video.
Let's face it, there have been far too many taxpayer giveaways to rich people who own teams in the recent past. It's time for taxpayer dollars to be minimal for renovations or new stadiums.