Also remember that as your joint income approaches $200,000 (ie somewhere in the high 100,000's depending on the year) your ability to make Roth contributions is reduced/eliminated.Spousal IRAs
If you file a joint return, you may be able to contribute to an IRA even if you did not have taxable compensation as long as your spouse did. The amount of your combined contributions can’t be more than the taxable compensation reported on your joint return. See the formula in IRS Publication 590-A.