The IRS 1040 form in 1913 was four pages, including one page of instructions. There are surely reasons for us to have the mess of forms we have now, but we could probably benefit from some simplification in the direction of that original form.
In the news: IRS employees made video parodies of Star Trek and Gilligan's Island at a cost of $60,000 each. Here's a link to the Trek one. We're supposed to be outraged at the waste, but I am far more amused.