Forget separate embarkation line; like everyone is saying, it is a meaningless benefit. When Regent goes all inclusive next year, I hope the Amex benefit becomes the same as on SilverSea:
Quote
Exclusive Amenities

$300 per suite shipboard credit
Complimentary bottle of Dom Perignon champagne
Exclusive bridge tour
A bottle of Dom is definitely better than another cocktail party and (meaningless) embarkation line.