Speaking of trying to raise the level of debate in general on FT. Outside the walls of our beloved Bx, I try to "kick the tires" of various programs. I call it comparative analytics.

To wit, if you are interested in taking a look at DL Diamond v. AA EXP or AA Upgrades v. DL Upgrades, I humbly offer these posts:

http://www.flyertalk.com/forum/delta...v-aa-long.html

http://www.flyertalk.com/forum/12320922-post3.html

I am feverishly working on another in my comparative analytics special where I will compare and contrast the AA SWU, the UA SWU and the DL SWU. I was hoping to post it first in the Box prior to posting in the DL forum. As the Box is now my "FT home", and would love feedback. It should be ready soon ....