Can you tell me where that thread is? [If one has an AMEX PLAT CARD, AMEX will reimburse you for the $100 fee if you charge it to your card.]
I presume you're asking about the free GE offers. There is a long thread on the UA forum, pointing to this link:
http://www.united.com/web/en-US/apps...y/default.aspx
where GS, 1K and Plats get a code worth $100 to pay for GE.
Cannot find something similar for AA, in case you're interested in them.