Taxpayers pondering a question, searching for a form or seeking their refund can now go to one place on the IRS Web site: 1040 Central. The site redesign focuses tax-filing information in one location. Go to www.irs.gov and click on "1040 Central." The IRS expects to process 131 million individual returns this year, about the same as last year. For more IRS changes, see page 7.