As expected, this was evidently a subject close to many of your hearts and the responses came in thick and fast (like a great frozen margarita melting on a hot day). There were plenty of different suggestions, with Margaritaville (Flamingo), Garduño's (Palms), and the Tequila Bar (Bally's) all coming out as particular favorites. Here's what you said, with names provided (where available and when we didn't think it would get you in too much trouble).
THE PERFECT MARGARITA
1 oz Margaritaville® Gold Tequila .5 oz Margaritaville® Silver Tequila .5 oz Triple Sec .5 oz Orange Curacao .5 oz lime juice 2 lime wedges