Florida, a state with no estate tax (or individual income tax), is the number one destination for former Rhode Island residents.

FORBES: Study Finds Rhode Island's Estate Tax Causes Exodus Of People And Money

Also extended for five years (not permanently) are number of individual tax credits including the child tax credit, the controversial earned income tax credit (EITC), and the American Opportunity Tax credit (the souped up version of the Hope Credit).

FORBES: Connect

The number of federal individual income tax returns examined by the Internal Revenue Service has continuously increased over the past five years, with 1 out of every 90 taxpayers examined in fiscal year 2010, according to a statistical report released today by the Treasury Inspector General for Tax Administration.

FORBES: More IRS Cops, More Audits, Says Treasury Report

The appendix has a number of informative tables and charts giving data from 1950-2009 for (1) individual income tax, (2) corporate income tax, (3) employment taxes, (4) excise taxes, (5) estate and gift taxes, and (6) other receipts.

FORBES: JCT Summarizes Federal Estate And Gift Taxes From 1975-2011