If you're going to do it, do it properly and get a first-class ticket on Lufthansa. At their hub in Frankfurt, first-class passengers get their own private terminal. Here's a sample:
It's quite nice. I scored that on an award ticket back when getting Lufthansa first class on United awards was easy to do. Being driven from the lounge to your plane in a Porsche is a pretty great way to start your flight.