Being American, the most rugby I have ever seen is watching the movie "Invictus" (yep, we're that country who name the sport where you only kick the ball once "football"  :P). So anyways, watched a video, and I now know what you're talking about.

Also, like Yannick, I'm a no expert in aviation, and the old navigation systems (my rule is, if I can work the navigation system, it's a good plane) are simpler than the new ones. Well, maybe not the navigation systems themselves, but learning how to work the FMC is slow. I learned how to work the Doppler radar in about ten minutes.  :)