In my dreams, ACE is finally expanded to a real payload-and-fuel-calculator-loader like the big German company has for their airplanes.

In the meantime, thanks to the users who have made it tolerable.

My fuel method is: guessing. I'm getting pretty good at it, and if it looks like my engines are about to flame out, there's always in-flight refueling from, a little-known feature on the 737.