Sesto Senso offers a selection of grappas by the glass. Exercise caution if you're not used to grappa. About 11pm or 11:30pm -- tables are cleared away and a DJ sets up in the loft and pounds out dance music for a chicand international crowd until closing. The regulars appear to be Mediterranean and Middle Eastern. Predominant style of dress is smooth and dark: black clothes, slicked-back hair, clingy fabrics, and costly jewelry. Fabio & Patricia, proprietors, also run Andalu.