pixar24 - 10:46 am on Jan 31, 2013 (gmt 0)
My traffic dropped: 3 days ago -30 %, yesterday -40%, today -45 % ( compared to same days last week(s) ).
Nothing changed from my part. No panda problems in the past.
Sigh... you start wondering why you put all that effort in building up your sites.
Hope it is temporary!