Received the subject offer in today's "Top 20" weekly email.Head to Hawaii this winter and check into one of its top resorts. This beachfront retreat recently won a “World’s Best” award from Travel + Leisure.
With this offer, Travelzoo members pay just $149 per room per night, through May. Public rates, including current Cyber Sale prices, are between $279-$545 per night — which means you save 50-70%.
As you may have noticed, this offer is different from the others we send you. This offer is strictly confidential, meaning that we are not allowed to reveal details of the hotel or the rate to the public. Access to this information must remain protected.

Clicking on the link:

This offer is strictly confidential.
To unlock access to confidential offers, you will need to pay a fee of $20. Access is valid for 6 months.
In order to view this (and future) confidential offers, you will need to pay an access fee and accept a simple confidentiality agreement.

Appears to be for a Waikiki Beach Resort.
$149 per night can be a good deal in Waikiki, but the quality of hotels varies greatly, just don't feel right about encouraging such promotions by giving then $20.

Any experience?