Originally Posted by SAT Lawyer
Evidence to the contrary:
BOS-MAD error fare;
Fiji error fare ^
More recent evidence in support:
Japan hotel rate errors 
Apparent conclusion: the Travelocity Guarantee will be ignored/disclaimed if, at any point during the booking, the correct airfare/rate appeared on the Travelocity website regardless of the ultimate airfare/rate applied by Travelocity and confirmed by Travelocity.
What a concise, well documented reply. Thanks for the information.
I am especially pleased that you provided both pro and con references.
Could you now please give us your personal reaction? What I am asking, if I may, is your intention to use these folks for booking vs a competitor?