The President's Club passes are very nice. Save them for delays over an hour.
The space-available upgrades are good, but you are at the bottom rung of the upgrade ladder. So don't be surprised if you can't use them as often as you'd like. Be sure to ask every time. Ask at your originating city, then ask at your connecting city.
The 7,500 miles aren't shabby either!
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"I will not be pushed, filed, stamped, indexed, briefed, debriefed or numbered. My life is my own."