Awesome!  Read this thread on Flyertalk, and it was enough to make my Friday.  United has offered a real enhancement to its Mileage Plus program by eliminating the stupid co-pay for domestic upgrade awards.  This is the upcharge for the privilege of using your miles.  Domestic upgrades aren’t always the best use of miles, but I’ve been known to do it from time to time when I didn’t want to do the “gate dance” for an important upgrade.  Kudos to United for offering something real to its elite travelers.  I can only hope that American reads this and does the same.