Check http://www.bigclearance.com/productList.aspx?familyId=6028&prodline=y&refId=13.
Maybe it would be cheaper to buy one of the MSDN versions?

>A client of mine owns Visual Studio 6 Professional. We need Visual Studio 6 Enterprise. I am having trouble finding someone who can sell this product. Does anyone know where I can get either VS 6 Enterprise or VS 6 Enterprise upgrade? I do not want to use ebay.com to get VS 6 Enterprise. It appears as though I may have to go this route if I cannot get it any other way.
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>TIA