A.C. Newman's solo show at Blueberry Hill's Duck Room last night was better than the New Pornographers show last year at the Pageant. There; I said it. The differences between the concerts were small, but important. For starters, Newman and his five-piece band were clearly having a ton of fun - from stalwart drummer Jon Wurster and violinist Tara Szczygielski all the way down to the horn-playing multi-instrumentalist and the keyboardist/guitarist who bopped around onstage like his employment in