U.S. citizens are taxed on their worldwide income. They must figure gain or loss on the sale of foreign real property. If the foreign property is a residence, the home sale exclusion may apply. Note: If foreign taxes are paid on the sale, this may trigger a deduction or credit for those taxes.
A retirement account to which up to $4,000 (or $5,000 if you are 50 or over) may be contributed for 2007, but deductions for the contribution are restricted if you are covered by a company retirement plan. Earnings accumulate tax free.