Paul Thomas Anderson, Welles, Hitchcock, Agnes Varda, many others...
Anything novel, interesting, or moving. Recently: Dungen, Arcade Fire, Sufjan Stevens, Mew
Recent reads: Benkler's The Wealth of Networks, Plascencia's People of Paper, Murukami's Sputnik Sweetheart, John Stuart Mill's On Liberty, Paul Graham's Hackers and Painters, Lawrence Lessig's Code