This probably sounds like some kind of satire effort, but I actually got one from National Geographic already (but it only traced direct male lineage), which said I wasn't Germanic Central European 20,000 years ago or something like that. I already knew that part.
There are other ones that give percentage of different racial groups and can break it down to subgroups too.
http://www.genetree.com/ancestral/index.phphttp://www.healthanddna.com/genealogy.htmlhttp://www.dnatribes.com/sampleresults.htmlhttp://www.dnaancestryproject.comThere have been a couple of odd stories about this, like one about a black guy who found out he wasn't:
http://www.alternet.org/story/16917/And this New York Times story on people using it the way I'm thinking:
http://www.nytimes.com/2006/04/12/us/12genes.html?ex=1302494400&en=94e1fa50f8081d8e&ei=5090I would also prefer to have a more interesting ethnic portfolio to pass on to my kids.