I converted a few profiles that I wrote last June and July in preparation for the World Chess Championship - 2008 Matches.
See also: 2009 Topalov - Kamsky Links. I count nearly 250 players worthy of a profile.
It would be interesting to see how many chess players are currently covered by Wikipedia.
The latest news from About.com shows that they are no more immune to the global economic downturn than anyone else: About.com Cutting 10% Of Staff, Pay Cuts For Guides. I'm not sure about the ethics behind publishing confidential internal memos, but they certainly look legitimate.