This SoMa corner seems to have a mild curse on it, with San Francisco clubs and bars frequently having short life spans, but this time the promoters may have it beat with Icon Ultra Lounge. This is thanks to a slick remodelling by the Bay Area’s favourite club designer, Charles Doell (Blupointe, Backflip at the Phoenix Hotel, and several other colourfully glam and campy hot spots). While inspiring, the syncopating illuminated disks overhead, sleek seating, and artful use of mirrors can’t make the puny space in Icon Ultra lounge bigger. Here, as elsewhere around town, ultra” has come to mean “If you plan to sit down