Lets see on a scale of 1--10-
B727=7 (about 400hrs on a 100 nice all power controls)
B707=6 (about 1000 hrs no power exept rudder veerrryy heavy)
B737=7 (about 150 hrs all power like a big fighter)
MD-83=8(about 8000 hrs you can see where my heart is lol)
DC-9/50=7(about 2000 hrs no power but handles well)
A320/321=8(about 1800 hrs a beautiful plane to fly)
LR60=9( only 100 hrs this is a fighter in disguise, OMG 23,500 MTW and 4600 a side hows that for power 2 weight lol)
all in all a bunch of super planes.