>This might help:
>
>A useful IRS publication, No. 587 entitled "Business Use of Your Home," is available. Anyone considering taking home business deductions should obtain a copy by calling the IRS toll free number at 1-800-829-1040 or talk to an accountant for up-to-date information or check the IRS website at http://ftp.fedworld.gov/pub/irs-pdf/p587.pdf
>
>Income and expenses of a home-based business are reported on schedule C (Form 1040). Supporting schedules for depreciation, self-employment tax (social security), etc. may also be required.
>
>Useful Links:
>http://www.dba.state.va.us/frameset.asp?URL=http%3A%2F%2Fwww%2Ebizmove%2Ecom%2Fstarting%2Ehtm
>http://www.ext.nodak.edu/extpubs/yf/leaddev/eb44-2.htm#Tax
>http://www.ext.vt.edu/pubs/homebus/354-306/354-306.html
>http://www.lva.lib.va.us/whatwehave/business/smsteps.pdf
>http://www.tax.virginia.gov/mobiletax/businessFAQ.cfm

While the first link didn't work, the rest is very helpful - thanks! Duly bookmarked, this is something that'll keep me occupied for quite a while.