Sllevin- looks like great minds think alike

... you beat me to the previous post by about 2 minutes.
Just another tidbit about the DC-9-10... although it has fewer First seats than the -30, your upgrade numbers should be better on the smaller plane. Its ratio of 14F:64Y beats the -30's 16F:84Y, and every other plane in the domestic fleet, except the beloved Avro, of course.