Since most Hollywood movies released early in the year basically suck (anyone for Code Name: The Cleaner?), the trick is to find a good DVD and kick back with it. The Illusionist fills the bill. This achingly romantic fable of magic, love and politics, set in Vienna circa 1900, curls around you like a smoke ring. Better yet, the DVD transfer is so good it enhances the film's allure. Writer-director Neil Burger, adapting the short story "Eisenheim the Illusionist," by Steven Millhauser, shows a…