While I understand that there may be a political charge to the calculator, as well as questions as to the validity of the results, there is no denying the simple usability of Obama’s Tax Calculator.
The Obama campaign continues to utilize the web with grace and style. It brings McCain’s technological retardation in to sharp relief.
For more info about Obama’s Tax plan you can read this PDF; Barack Obama’s Tax Plan.
Additionally, there is a comparison between Obama and McCain’s Tax Plans.