The public auction of the assets of Wadia Digital Corporation has been postponed for at least two weeks, according to an employee of the Minneapolis law firm Siegel, Brill, Greupner, Duffy & Foster, P.A., which is handling the liquidation.According to the employee, the sale is a "bulk auction—one lot, all or nothing" affair, intended to sell the company intact, despite implications in the original public notice (reproduced below) that individual finished goods might be available. No Wadia audio products are available, and interested audiophiles should not call the law firm, which was…