My all time favorite nail polish is OPI's Lincoln Park After Dark. However I've experienced that most salons in Dubai only carry Essie..? Essie is great for basics and french manicure, but if you prefer dark and musty colors, OPI is the way to go.
I got my bottle when I was traveling, and I carry it with me for my bi-weekly mani pedis. If I use it on my toes, I leave the fingers natural, beige or pale pink. Dark color on both hands and feet can easily end up looking a bit 'Mortitia Adams'...