Thank you, Stefan. I finally figured out that I already had IIS on my HP Vista Home Premium Notebook, but needed to turn on that feature. And, if you buy WIndows Home Premium, like you said, you get IIS.
>As far as I know, Internet Information Server is included in all versions except "Starter" and "Home Basic":
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http://www.winsupersite.com/win7/win7_skus_compare.asp