Tax Preparation Software for 2003?

Aaron asks: "After last year's debacle with TurboTax's copy protection system, I want to avoid their software (even though they say they won't do it again). But after reading some of the reviews on TaxCut, it sounds a bit buggy. What tax preparation software are people using for their 2003 taxes? I've heard of TaxACT, the free tax software - is that any good? I don't suppose any decent tax software works on Linux..."