Just saw a report that from today (Oct. 29) through the next few days, Bestfares.com is allowing non-members to access their reservation if you enter "GMA" to both the user ID and password fields.
doc
Oct 29, 01, 11:51 am
Yes, it's a "Good Morning America" special! http://www.flyertalk.com/travel/fttravel_forum/smile.gif