Hoping the merger won't happen, but if it does I may look at switching back to AA.

If it does go through: (There is some sarcasm in my response)

-DL SkyMiles will go from a value of Nada to Zilch
-GM and SM will get upgrades to EC instead of F
-Did I hear the beverage cart clinking with plastic Gordon's liquor bottles?
-MQM bonus gone for all coach fares
-MQM bonus gone for discount Biz/F fares
-MQD amounts will increase
-Free baggage limits dropped for Medallions
-More fees