As expected, Microsoft drops demand that terminated employees refund part of severance package
They say that only 25 people were affected. Speculation is all over the place on this one, there's no info as to how much the overpayment was.
http://www.wired.com/techbiz/media/news/2009/02/reuters_us_microsoft
http://www.wired.com/techbiz/media/news/2009/02/reuters_us_microsoft