NEW YORK — Still haven't done your taxes? It's getting down to the wire, with less than a month left until the filing deadline. Maybe you've been putting it off because you planned on doing your taxes yourself, but now you're overwhelmed and have questions you don't know how to answer.

Don't worry — help is at your fingertips. Consumer Reports rates the best Web sites out there for getting advice and assistance on your taxes:

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Go to the source. Visit the IRS Web site at www.irs.gov for help — really! Check out the "1040 Central" section that is chock full of tips and resources. You can also use its search engine for specific queries. Try the site's AMT Assistant for help on the alternative minimum tax or look at the Sales Tax Calculator to find out which one — state and local income tax or sales tax — offers the higher deduction for you.•

Help for seniors. Try the AARP Tax-Aide free counseling service at www.aarp.org. You'll get answers to individual federal income tax questions in three to five business days.•

Talk to Mama. TaxMama, that is. Visit www.taxmama.com to send questions to Eva Rosenberg, an enrolled agent who represents taxpayers before the IRS. (She also writes about taxes for MarketWatch.) You can go through her archives as well — chances are, if you're asking about a tax issue, someone else already has!•

Corporate assistance. There are a number of companies in the tax-prep biz, and many of them have great Web sites that offer tips, online calculators and more. Try www.turbotax.com for its "Tax Tips" tab. You'll find a number of calculators, such as one that can help you figure out your home-mortgage tax savings. Want information on the saver's credit or the self-employment tax? Try H&R Block's page at www.hrblock.com. And you'll find lots of general questions answered at Jackson Hewitt's Tax Resource Center at www.jacksonhewitt.com.