In a veritable cyberspace symphony that grows louder every day, Monica Kirchner is conducting a venture designed to lead luxury to a superlative crescendo. No, Kirchner isn’t the head of a new, luxury-driven website. Rather, she is the co-founder and CEO of .Luxury where the world’s most indulgent brands are beginning to flock in order to obtain a slice of a brand new, indulgent pie – a web address ending in “.luxury.”