The following WILL expire at the end of the year 2011.
Home Energy Credit
Energy Savings improvements to your home (extra insulation, windows, Heater/AC) up to $500
Higher Education Expenses
Above the line credit up to $4,000 won't be available after 2011. Consider prepaying eligible expenses now that would normally be due in 2012
Adoption Help
Credit and exclusion are reduced
Sales Tax
Available for those that could not use Itemized deductions. Have the choice to use optional sales tax deduction. Option disappears after 2011
Mortgage Insurance Premiums
(PMI) no longer deductible after 2011
Teachers' Classroom Materials
Above the line expense deduction of $250 will no longer be available after 2011