I don't know about Vanity slots in FFXI, I like seeing people in mixed matched gearing knowing "Oh lol they're wearing Twilight Helm/Mail with Hachiryiu pants!" Just interesting seeing all the different gear people are wearing, and when I see the gear actually on their characters that's when I /check them to see what else they have equipped. I just go pimping around my AF3 in town anyways, that is my Vanity gear and I worked hard for them being +2 lol(ok not so much on some pieces, but others yeah!)