We used this this week for a booking in New York. Here is what we found...The first rate was on Travelocity the Second on Privileges Travel. Was a no brainer we picked privilegestravel.com for the three night stay. For fun and boredom, checked Vegas trip later this year, Same results Averaged about 35% cheaper, especially for Hilton resorts.
Andaz Wall Street $405 compared to $207 48.89%
Millennium Hilton New York Downtown $437 compared to $283 35.24%
Hotel On Rivington $415 compared to $265 36.14%