Streetside BBQ and hand-pulled noodles options abound in the early morning hours. Places with a bathroom, electricity, and chairs are a bit rarer. Here's fifteen or so options, from veal Grenobloise on the Bund to Cantonese greasy spoons, and their NYE closing hours:

Mr & Mrs Bund, the elegant queen of after-hours dining, for Paul Pairet's worldly French (until 4am); 24-hour delivery from McD's or Melrose Pizza; Anadolu, for doner kebabs in the Hengshan Lu area (until 2-3am); Hengshan Cafe for satisfying Cantonese right down the street (until 3am); Tsui Wah, for beef noodles and fishballs (until 2am); Xinwang (until 6am), Bi Feng Tang (24 hours), or Grandma's Kitchen (until 4am), all veterans of serving cheap and greasy Canto classics to sauced clubbers; Charmant and Bellagio for their classier Taiwanese cooking, and classic Taiwanese iced desserts (both until 4am); drunken dipping at Hot Pot King, Xiao Fei Yang, and a bevy of other hot pot joints (until 3.30 and 4am, respectively); burgers and pancakes at Super Diner (24 hours) or burgers and milkshakes at Bistro Burger (until 4am).

Globus is Shanghai's undisputed Champagne specialist, stocking a carefully cultivated range of boutique Champagnes; the basement supermarket at Parkson has the best prices on, and the largest selection of, Veuve Clicquot and Moet & Chandon; prices at Carrefour, for everything else, aren't easy to beat; for expensive Taittinger and a few sparkling wines, order direct from wine distributor Torres (they sell to the public); for Freixenet, Bollinger, and a wide, wide selection of affordable sparkling wines, buy straight from ASC, China's largest wine distributor.