There is a lot of uncertainty pertaining to tax rates and cuts to previous provisions this year. Specifically the Estate Tax, Alternative Minimum Tax, Investment Taxes and Income Tax Rates in general are in question. There is a good possibility that Congress will cut out previous provisions which will cause an increase for the upper 2% of tax payers.
Congress will have to tackle a mountain of tax decisions in the coming weeks.
If you are curious about future tax rates you can try out a tax calculator to see how some of the changes may effect you. Remember that these are only projections of the future and may not be the same when Congress makes changes at the end of the year.
Source: Wall Street Journal