The wine markup in many fine Las Vegas restaurants is an outrageous 3.5 times. That is why I felt it necessary to institute my $5/bottle maximum tip. Emeril's (MGM) is one great restaurant that has more reasonable wine prices.
The Border Grill at Mandalay Bay is not as good as the one in Santa Monica. Next time eat the whole meal at Red Square, which has fabulous food.
Sorry you missed Delmonico.