The kits I ordered from National Geographic were delivered promptly. The price, a little more than $100 including postage and handling, seems very reasonable compared to the competition.
CB says check it out.
They will trace back your X or Y chromosomes to their original "clan", but charges about $300 a chromosome and you have to be of European origin.
Thanks for reminding me to do the Nat Geo thing.
Beyond that, this article blows me away as well.