Hardcore boozers may already know Syn Bar (Swissôtel Nai Lert Park, 2 Wireless Rd., 02-253-0123) for its famed drinks buffet. Well the deal just got more attractive with a new Ladies Night, where free-flow cosmopolitans pour after you order any drink from 7-9pm on Mon-Sat. Available now through Jun 30. For reservations, call 02-253-0123.